56647265 has 16 divisors (see below), whose sum is σ = 71781120. Its totient is φ = 42796800.

The previous prime is 56647177. The next prime is 56647271. The reversal of 56647265 is 56274665.

It is a de Polignac number, because none of the positive numbers 2^k-56647265 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37352 + ... + 38838.

It is an arithmetic number, because the mean of its divisors is an integer number (4486320).

Almost surely, 2^56647265 is an apocalyptic number.

It is an amenable number.

56647265 is a deficient number, since it is larger than the sum of its proper divisors (15133855).

56647265 is a wasteful number, since it uses less digits than its factorization.

56647265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 302400, while the sum is 41.

The square root of 56647265 is about 7526.4377364062. The cubic root of 56647265 is about 384.0546096560.

The spelling of 56647265 in words is "fifty-six million, six hundred forty-seven thousand, two hundred sixty-five".