56208725 has 6 divisors (see below), whose sum is σ = 69698850. Its totient is φ = 44966960.

The previous prime is 56208701. The next prime is 56208731. The reversal of 56208725 is 52780265.

It can be written as a sum of positive squares in 3 ways, for example, as 1196836 + 55011889 = 1094^2 + 7417^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56208725 is a prime.

It is a super-3 number, since 3×56208725³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124150 + ... + 1124199.

It is an arithmetic number, because the mean of its divisors is an integer number (11616475).

Almost surely, 2^56208725 is an apocalyptic number.

It is an amenable number.

56208725 is a deficient number, since it is larger than the sum of its proper divisors (13490125).

56208725 is a wasteful number, since it uses less digits than its factorization.

56208725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248359 (or 2248354 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 56208725 is about 7497.2478283701. The cubic root of 56208725 is about 383.0609764596.

The spelling of 56208725 in words is "fifty-six million, two hundred eight thousand, seven hundred twenty-five".