56720601 has 16 divisors (see below), whose sum is σ = 96035200. Its totient is φ = 32411664.

The previous prime is 56720591. The next prime is 56720611. The reversal of 56720601 is 10602765.

56720601 is a `hidden beast` number, since 56 + 7 + 2 + 0 + 601 = 666.

It is an interprime number because it is at equal distance from previous prime (56720591) and next prime (56720611).

It is not a de Polignac number, because 56720601 - 2⁶ = 56720537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56720611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149866 + ... + 150243.

It is an arithmetic number, because the mean of its divisors is an integer number (6002200).

Almost surely, 2^56720601 is an apocalyptic number.

It is an amenable number.

56720601 is a deficient number, since it is larger than the sum of its proper divisors (39314599).

56720601 is a wasteful number, since it uses less digits than its factorization.

56720601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300125 (or 300119 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 56720601 is about 7531.3080537182. The cubic root of 56720601 is about 384.2202715720.

The spelling of 56720601 in words is "fifty-six million, seven hundred twenty thousand, six hundred one".