50981802256 has 80 divisors (see below), whose sum is σ = 125664278400. Its totient is φ = 19863016320.

The previous prime is 50981802233. The next prime is 50981802281. The reversal of 50981802256 is 65220818905.

It is a super-2 number, since 2×50981802256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361891 + ... + 482626.

It is an arithmetic number, because the mean of its divisors is an integer number (1570803480).

Almost surely, 2^50981802256 is an apocalyptic number.

50981802256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50981802256 is an abundant number, since it is smaller than the sum of its proper divisors (74682476144).

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

50981802256 is a wasteful number, since it uses less digits than its factorization.

50981802256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844557 (or 844537 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 50981802256 in words is "fifty billion, nine hundred eighty-one million, eight hundred two thousand, two hundred fifty-six".