56591698 has 8 divisors (see below), whose sum is σ = 86861808. Its totient is φ = 27637764.

The previous prime is 56591693. The next prime is 56591699. The reversal of 56591698 is 89619565.

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

It is not an unprimeable number, because it can be changed into a prime (56591693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328936 + ... + 329107.

It is an arithmetic number, because the mean of its divisors is an integer number (10857726).

Almost surely, 2^56591698 is an apocalyptic number.

56591698 is a deficient number, since it is larger than the sum of its proper divisors (30270110).

56591698 is a wasteful number, since it uses less digits than its factorization.

56591698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658088.

The product of its digits is 583200, while the sum is 49.

The square root of 56591698 is about 7522.7453765231. The cubic root of 56591698 is about 383.9289916806.

The spelling of 56591698 in words is "fifty-six million, five hundred ninety-one thousand, six hundred ninety-eight".