56379999 has 16 divisors (see below), whose sum is σ = 81600512. Its totient is φ = 34419168.

The previous prime is 56379997. The next prime is 56380003. The reversal of 56379999 is 99997365.

It is not a de Polignac number, because 56379999 - 2¹ = 56379997 is a prime.

It is a Duffinian number.

56379999 is a modest number, since divided by 9999 gives 5637 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56379997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (5100032).

Almost surely, 2^56379999 is an apocalyptic number.

56379999 is a deficient number, since it is larger than the sum of its proper divisors (25220513).

56379999 is a wasteful number, since it uses less digits than its factorization.

56379999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526.

The product of its digits is 4133430, while the sum is 57.

The square root of 56379999 is about 7508.6615984475. The cubic root of 56379999 is about 383.4496578708.

The spelling of 56379999 in words is "fifty-six million, three hundred seventy-nine thousand, nine hundred ninety-nine".