56872725 has 72 divisors (see below), whose sum is σ = 116546112. Its totient is φ = 23961600.

The previous prime is 56872723. The next prime is 56872793. The reversal of 56872725 is 52727865.

It is not a de Polignac number, because 56872725 - 2¹ = 56872723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56872723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 88405 + ... + 89045.

It is an arithmetic number, because the mean of its divisors is an integer number (1618696).

Almost surely, 2^56872725 is an apocalyptic number.

It is an amenable number.

56872725 is an abundant number, since it is smaller than the sum of its proper divisors (59673387).

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

56872725 is a wasteful number, since it uses less digits than its factorization.

56872725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 669 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 56872725 is about 7541.4007319595. The cubic root of 56872725 is about 384.5634563996.

The spelling of 56872725 in words is "fifty-six million, eight hundred seventy-two thousand, seven hundred twenty-five".