56647075 has 24 divisors (see below), whose sum is σ = 76344320. Its totient is φ = 41536800.

The previous prime is 56647057. The next prime is 56647081. The reversal of 56647075 is 57074665.

It is a happy number.

56647075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56647075 - 2⁹ = 56646563 is a prime.

It is a super-2 number, since 2×56647075² = 6417782212111250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12802 + ... + 16648.

Almost surely, 2^56647075 is an apocalyptic number.

56647075 is a deficient number, since it is larger than the sum of its proper divisors (19697245).

56647075 is a wasteful number, since it uses less digits than its factorization.

56647075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 56647075 is about 7526.4251142226. The cubic root of 56647075 is about 384.0541802710.

The spelling of 56647075 in words is "fifty-six million, six hundred forty-seven thousand, seventy-five".