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55280503057 = 136836225983
BaseRepresentation
bin110011011110111110…
…011000100100010001
312021200121000112001011
4303132332120210101
51401203302044212
641221233010521
73664621344253
oct633676304421
9167617015034
1055280503057
112149844816a
12a8693b3a41
13529ca60c50
142965b6bcd3
1516882584a7
hexcdef98911

55280503057 has 8 divisors (see below), whose sum is σ = 59620022784. Its totient is φ = 50953436688.

The previous prime is 55280503051. The next prime is 55280503067. The reversal of 55280503057 is 75030508255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55280503057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55280503051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104113 + ... + 3121870.

It is an arithmetic number, because the mean of its divisors is an integer number (7452502848).

Almost surely, 255280503057 is an apocalyptic number.

It is an amenable number.

55280503057 is a deficient number, since it is larger than the sum of its proper divisors (4339519727).

55280503057 is a wasteful number, since it uses less digits than its factorization.

55280503057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226679.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 55280503057 in words is "fifty-five billion, two hundred eighty million, five hundred three thousand, fifty-seven".

Divisors: 1 13 683 8879 6225983 80937779 4252346389 55280503057