56103687 has 6 divisors (see below), whose sum is σ = 81038672. Its totient is φ = 37402452.

The previous prime is 56103683. The next prime is 56103721. The reversal of 56103687 is 78630165.

56103687 is a `hidden beast` number, since 5 + 610 + 36 + 8 + 7 = 666.

It is not a de Polignac number, because 56103687 - 2² = 56103683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56103683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3116863 + ... + 3116880.

Almost surely, 2^56103687 is an apocalyptic number.

56103687 is a deficient number, since it is larger than the sum of its proper divisors (24934985).

56103687 is a wasteful number, since it uses less digits than its factorization.

56103687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233749 (or 6233746 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 56103687 is about 7490.2394487760. The cubic root of 56103687 is about 382.8222172749.

The spelling of 56103687 in words is "fifty-six million, one hundred three thousand, six hundred eighty-seven".