51572928 has 56 divisors (see below), whose sum is σ = 148864320. Its totient is φ = 15627520.

The previous prime is 51572891. The next prime is 51572977. The reversal of 51572928 is 82927515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10098 + ... + 14321.

Almost surely, 2^51572928 is an apocalyptic number.

It is an amenable number.

51572928 is an abundant number, since it is smaller than the sum of its proper divisors (97291392).

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

51572928 is a wasteful number, since it uses less digits than its factorization.

51572928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24445 (or 24435 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 51572928 is about 7181.4293841825. The cubic root of 51572928 is about 372.2264778834.

The spelling of 51572928 in words is "fifty-one million, five hundred seventy-two thousand, nine hundred twenty-eight".