56718697 has 8 divisors (see below), whose sum is σ = 64929152. Its totient is φ = 48535200.

The previous prime is 56718679. The next prime is 56718719. The reversal of 56718697 is 79681765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56718697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56718697.

It is not an unprimeable number, because it can be changed into a prime (56718617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (8116144).

Almost surely, 2^56718697 is an apocalyptic number.

It is an amenable number.

56718697 is a deficient number, since it is larger than the sum of its proper divisors (8210455).

56718697 is a wasteful number, since it uses less digits than its factorization.

56718697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479.

The product of its digits is 635040, while the sum is 49.

The square root of 56718697 is about 7531.1816469927. The cubic root of 56718697 is about 384.2159723488.

The spelling of 56718697 in words is "fifty-six million, seven hundred eighteen thousand, six hundred ninety-seven".