56679397 has 4 divisors (see below), whose sum is σ = 56746240. Its totient is φ = 56612556.

The previous prime is 56679367. The next prime is 56679401. The reversal of 56679397 is 79397665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56679397 - 2¹¹ = 56677349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56679307) 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, 32133 + ... + 33850.

It is an arithmetic number, because the mean of its divisors is an integer number (14186560).

Almost surely, 2^56679397 is an apocalyptic number.

It is an amenable number.

56679397 is a deficient number, since it is larger than the sum of its proper divisors (66843).

56679397 is an equidigital number, since it uses as much as digits as its factorization.

56679397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66842.

The product of its digits is 2143260, while the sum is 52.

The square root of 56679397 is about 7528.5720425589. The cubic root of 56679397 is about 384.1272116323.

The spelling of 56679397 in words is "fifty-six million, six hundred seventy-nine thousand, three hundred ninety-seven".