52878725 has 24 divisors (see below), whose sum is σ = 70120512. Its totient is φ = 39459200.

The previous prime is 52878703. The next prime is 52878731. The reversal of 52878725 is 52787825.

It is not a de Polignac number, because 52878725 - 2²² = 48684421 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 22454 + ... + 24696.

It is an arithmetic number, because the mean of its divisors is an integer number (2921688).

Almost surely, 2^52878725 is an apocalyptic number.

It is an amenable number.

52878725 is a deficient number, since it is larger than the sum of its proper divisors (17241787).

52878725 is a wasteful number, since it uses less digits than its factorization.

52878725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2312 counting only the distinct ones).

The product of its digits is 313600, while the sum is 44.

The square root of 52878725 is about 7271.7759178897. The cubic root of 52878725 is about 375.3418512356.

The spelling of 52878725 in words is "fifty-two million, eight hundred seventy-eight thousand, seven hundred twenty-five".