56717604 has 24 divisors (see below), whose sum is σ = 147045920. Its totient is φ = 18905832.

The previous prime is 56717567. The next prime is 56717611. The reversal of 56717604 is 40671765.

56717604 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

56717604 is strictly pandigital in base 9.

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 7 ways as a sum of consecutive naturals, for example, 262474 + ... + 262689.

Almost surely, 2^56717604 is an apocalyptic number.

56717604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56717604 is an abundant number, since it is smaller than the sum of its proper divisors (90328316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56717604 is a wasteful number, since it uses less digits than its factorization.

56717604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525176 (or 525168 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 56717604 is about 7531.1090816692. The cubic root of 56717604 is about 384.2135043163.

The spelling of 56717604 in words is "fifty-six million, seven hundred seventeen thousand, six hundred four".