56375999 has 4 divisors (see below), whose sum is σ = 56893320. Its totient is φ = 55858680.

The previous prime is 56375993. The next prime is 56376041. The reversal of 56375999 is 99957365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56375999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56375999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56375993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258497 + ... + 258714.

It is an arithmetic number, because the mean of its divisors is an integer number (14223330).

Almost surely, 2^56375999 is an apocalyptic number.

56375999 is a deficient number, since it is larger than the sum of its proper divisors (517321).

56375999 is a wasteful number, since it uses less digits than its factorization.

56375999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517320.

The product of its digits is 2296350, while the sum is 53.

The square root of 56375999 is about 7508.3952346690. The cubic root of 56375999 is about 383.4405894368.

The spelling of 56375999 in words is "fifty-six million, three hundred seventy-five thousand, nine hundred ninety-nine".