52478928 has 50 divisors (see below), whose sum is σ = 151892994. Its totient is φ = 17492544.

The previous prime is 52478927. The next prime is 52478929. The reversal of 52478928 is 82987425.

It is an interprime number because it is at equal distance from previous prime (52478927) and next prime (52478929).

It can be written as a sum of positive squares in only one way, i.e., 34433424 + 18045504 = 5868^2 + 4248^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478927) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18951 + ... + 21542.

Almost surely, 2^52478928 is an apocalyptic number.

It is an amenable number.

52478928 is an abundant number, since it is smaller than the sum of its proper divisors (99414066).

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

52478928 is a wasteful number, since it uses less digits than its factorization.

52478928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40513 (or 40498 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 52478928 is about 7244.2341210096. The cubic root of 52478928 is about 374.3935156668.

The spelling of 52478928 in words is "fifty-two million, four hundred seventy-eight thousand, nine hundred twenty-eight".