56377915 has 16 divisors (see below), whose sum is σ = 74285280. Its totient is φ = 40734720.

The previous prime is 56377913. The next prime is 56377927. The reversal of 56377915 is 51977365.

56377915 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 56377915 - 2¹ = 56377913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56377913) 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 15 ways as a sum of consecutive naturals, for example, 5371 + ... + 11899.

It is an arithmetic number, because the mean of its divisors is an integer number (4642830).

Almost surely, 2^56377915 is an apocalyptic number.

56377915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56377915 is a deficient number, since it is larger than the sum of its proper divisors (17907365).

56377915 is a wasteful number, since it uses less digits than its factorization.

56377915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702.

The product of its digits is 198450, while the sum is 43.

The square root of 56377915 is about 7508.5228240980. The cubic root of 56377915 is about 383.4449332702. Note that the first 3 decimals are identical.

The spelling of 56377915 in words is "fifty-six million, three hundred seventy-seven thousand, nine hundred fifteen".