50031128 has 16 divisors (see below), whose sum is σ = 107209680. Its totient is φ = 21441888.

The previous prime is 50031103. The next prime is 50031133. The reversal of 50031128 is 82113005.

It is a super-2 number, since 2×50031128² = 5006227537904768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446651 + ... + 446762.

It is an arithmetic number, because the mean of its divisors is an integer number (6700605).

Almost surely, 2^50031128 is an apocalyptic number.

It is an amenable number.

50031128 is an abundant number, since it is smaller than the sum of its proper divisors (57178552).

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

50031128 is a wasteful number, since it uses less digits than its factorization.

50031128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893426 (or 893422 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 50031128 is about 7073.2685513841. The cubic root of 50031128 is about 368.4795850261.

The spelling of 50031128 in words is "fifty million, thirty-one thousand, one hundred twenty-eight".