56679999 has 8 divisors (see below), whose sum is σ = 77416752. Its totient is φ = 36864960.

The previous prime is 56679941. The next prime is 56680003. The reversal of 56679999 is 99997665.

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

It is not a de Polignac number, because 56679999 - 2⁷ = 56679871 is a prime.

56679999 is a modest number, since divided by 9999 gives 5667 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56679929) 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, 230284 + ... + 230529.

It is an arithmetic number, because the mean of its divisors is an integer number (9677094).

Almost surely, 2^56679999 is an apocalyptic number.

56679999 is a deficient number, since it is larger than the sum of its proper divisors (20736753).

56679999 is a wasteful number, since it uses less digits than its factorization.

56679999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460857.

The product of its digits is 8266860, while the sum is 60.

The square root of 56679999 is about 7528.6120234742. The cubic root of 56679999 is about 384.1285715842.

The spelling of 56679999 in words is "fifty-six million, six hundred seventy-nine thousand, nine hundred ninety-nine".