50611631256 has 96 divisors (see below), whose sum is σ = 142425831600. Its totient is φ = 16216892160.

The previous prime is 50611631251. The next prime is 50611631297. The reversal of 50611631256 is 65213611605.

50611631256 is a `hidden beast` number, since 5 + 0 + 6 + 11 + 631 + 2 + 5 + 6 = 666.

It is a super-2 number, since 2×50611631256² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50611631256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50611631251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420586 + ... + 527366.

Almost surely, 2^50611631256 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 50611631256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71212915800).

50611631256 is an abundant number, since it is smaller than the sum of its proper divisors (91814200344).

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

50611631256 is a wasteful number, since it uses less digits than its factorization.

50611631256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107049 (or 107042 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 50611631256 in words is "fifty billion, six hundred eleven million, six hundred thirty-one thousand, two hundred fifty-six".