56115807 has 12 divisors (see below), whose sum is σ = 82241880. Its totient is φ = 34009360.

The previous prime is 56115803. The next prime is 56115809. The reversal of 56115807 is 70851165.

56115807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56115807 - 2² = 56115803 is a prime.

It is a super-2 number, since 2×56115807² = 6297967590522498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56115803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76932 + ... + 77657.

It is an arithmetic number, because the mean of its divisors is an integer number (6853490).

Almost surely, 2^56115807 is an apocalyptic number.

56115807 is a deficient number, since it is larger than the sum of its proper divisors (26126073).

56115807 is a wasteful number, since it uses less digits than its factorization.

56115807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154614 (or 154603 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 56115807 is about 7491.0484579930. The cubic root of 56115807 is about 382.8497821371.

The spelling of 56115807 in words is "fifty-six million, one hundred fifteen thousand, eight hundred seven".