56665475 has 6 divisors (see below), whose sum is σ = 70265220. Its totient is φ = 45332360.

The previous prime is 56665423. The next prime is 56665487. The reversal of 56665475 is 57456665.

It is not a de Polignac number, because 56665475 - 2¹² = 56661379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133285 + ... + 1133334.

It is an arithmetic number, because the mean of its divisors is an integer number (11710870).

Almost surely, 2^56665475 is an apocalyptic number.

56665475 is a deficient number, since it is larger than the sum of its proper divisors (13599745).

56665475 is a wasteful number, since it uses less digits than its factorization.

56665475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266629 (or 2266624 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 56665475 is about 7527.6473748443. The cubic root of 56665475 is about 384.0957583633.

The spelling of 56665475 in words is "fifty-six million, six hundred sixty-five thousand, four hundred seventy-five".