Search a number
-
+
55544264160 = 25357119715493
BaseRepresentation
bin110011101110101100…
…100011010111100000
312022100222022222020220
4303232230203113200
51402223312423120
641303334203040
74004303312130
oct635654432740
9168328288226
1055544264160
112161331a850
12a9217b3480
1353125b10c8
14298cbcaac0
1516a14a9b40
hexceeb235e0

55544264160 has 384 divisors, whose sum is σ = 220400538624. Its totient is φ = 11421941760.

The previous prime is 55544264131. The next prime is 55544264177. The reversal of 55544264160 is 6146244555.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3577374 + ... + 3592866.

It is an arithmetic number, because the mean of its divisors is an integer number (573959736).

Almost surely, 255544264160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55544264160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110200269312).

55544264160 is an abundant number, since it is smaller than the sum of its proper divisors (164856274464).

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

55544264160 is a wasteful number, since it uses less digits than its factorization.

55544264160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15626 (or 15618 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 55544264160 in words is "fifty-five billion, five hundred forty-four million, two hundred sixty-four thousand, one hundred sixty".