56917485 has 40 divisors (see below), whose sum is σ = 102583800. Its totient is φ = 30191616.

The previous prime is 56917409. The next prime is 56917501. The reversal of 56917485 is 58471965.

56917485 is a `hidden beast` number, since 569 + 1 + 7 + 4 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35721 + 56881764 = 189^2 + 7542^2 .

It is not a de Polignac number, because 56917485 - 2⁸ = 56917229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56917485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 126541 + ... + 126989.

It is an arithmetic number, because the mean of its divisors is an integer number (2564595).

Almost surely, 2^56917485 is an apocalyptic number.

It is an amenable number.

56917485 is a deficient number, since it is larger than the sum of its proper divisors (45666315).

56917485 is a wasteful number, since it uses less digits than its factorization.

56917485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 770 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 56917485 is about 7544.3677667516. The cubic root of 56917485 is about 384.6643163848.

The spelling of 56917485 in words is "fifty-six million, nine hundred seventeen thousand, four hundred eighty-five".