55908360256 has 336 divisors, whose sum is σ = 139341831552. Its totient is φ = 22140518400.

The previous prime is 55908360143. The next prime is 55908360257. The reversal of 55908360256 is 65206380955.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (55908360257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426781311 + ... + 426781441.

It is an arithmetic number, because the mean of its divisors is an integer number (414707832).

Almost surely, 2^55908360256 is an apocalyptic number.

55908360256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55908360256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69670915776).

55908360256 is an abundant number, since it is smaller than the sum of its proper divisors (83433471296).

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

55908360256 is a wasteful number, since it uses less digits than its factorization.

55908360256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 55908360256 in words is "fifty-five billion, nine hundred eight million, three hundred sixty thousand, two hundred fifty-six".