56500679 has 4 divisors (see below), whose sum is σ = 56720784. Its totient is φ = 56280576.

The previous prime is 56500637. The next prime is 56500687. The reversal of 56500679 is 97600565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97600565 = 5 ⋅19520113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56500679 is a prime.

It is a super-2 number, since 2×56500679² = 6384653454922082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56500079) 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, 109667 + ... + 110180.

It is an arithmetic number, because the mean of its divisors is an integer number (14180196).

Almost surely, 2^56500679 is an apocalyptic number.

56500679 is a deficient number, since it is larger than the sum of its proper divisors (220105).

56500679 is a wasteful number, since it uses less digits than its factorization.

56500679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220104.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 56500679 is about 7516.6933554589. The cubic root of 56500679 is about 383.7230510842.

The spelling of 56500679 in words is "fifty-six million, five hundred thousand, six hundred seventy-nine".