51884928 has 64 divisors (see below), whose sum is σ = 153142800. Its totient is φ = 17293824.

The previous prime is 51884927. The next prime is 51884939. The reversal of 51884928 is 82948815.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51884927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 10962.

Almost surely, 2^51884928 is an apocalyptic number.

It is an amenable number.

51884928 is an abundant number, since it is smaller than the sum of its proper divisors (101257872).

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

51884928 is a wasteful number, since it uses less digits than its factorization.

51884928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15036 (or 15018 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 51884928 is about 7203.1193242928. The cubic root of 51884928 is about 372.9755870046.

The spelling of 51884928 in words is "fifty-one million, eight hundred eighty-four thousand, nine hundred twenty-eight".