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56448480880 = 2451167957403
BaseRepresentation
bin110100100100100101…
…110111011001110000
312101200222202221102001
4310210211313121300
51411101302342010
641533154503344
74035563112361
oct644445673160
9171628687361
1056448480880
1121a377721a0
12ab34594b54
135427a22b9c
142a36d23b68
151705a6ac3a
hexd24977670

56448480880 has 80 divisors (see below), whose sum is σ = 145310949504. Its totient is φ = 20220330240.

The previous prime is 56448480877. The next prime is 56448480883. The reversal of 56448480880 is 8808484465.

It is a happy number.

56448480880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56448480877) and next prime (56448480883).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56448480883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419742 + ... + 537661.

Almost surely, 256448480880 is an apocalyptic number.

It is an amenable number.

56448480880 is an abundant number, since it is smaller than the sum of its proper divisors (88862468624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56448480880 is a wasteful number, since it uses less digits than its factorization.

56448480880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957494 (or 957488 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 55.

The spelling of 56448480880 in words is "fifty-six billion, four hundred forty-eight million, four hundred eighty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 67 80 88 110 134 176 220 268 335 440 536 670 737 880 1072 1340 1474 2680 2948 3685 5360 5896 7370 11792 14740 29480 58960 957403 1914806 3829612 4787015 7659224 9574030 10531433 15318448 19148060 21062866 38296120 42125732 52657165 64146001 76592240 84251464 105314330 128292002 168502928 210628660 256584004 320730005 421257320 513168008 641460010 705606011 842514640 1026336016 1282920020 1411212022 2565840040 2822424044 3528030055 5131680080 5644848088 7056060110 11289696176 14112120220 28224240440 56448480880