50031021425 has 24 divisors (see below), whose sum is σ = 77346662592. Its totient is φ = 31188168000.

The previous prime is 50031021413. The next prime is 50031021431. The reversal of 50031021425 is 52412013005.

50031021425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-50031021425 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50031021425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12993146 + ... + 12996995.

It is an arithmetic number, because the mean of its divisors is an integer number (3222777608).

Almost surely, 2^50031021425 is an apocalyptic number.

50031021425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50031021425 is a deficient number, since it is larger than the sum of its proper divisors (27315641167).

50031021425 is a wasteful number, since it uses less digits than its factorization.

50031021425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25990169 (or 25990164 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 50031021425 in words is "fifty billion, thirty-one million, twenty-one thousand, four hundred twenty-five".