56135615 has 16 divisors (see below), whose sum is σ = 72397152. Its totient is φ = 41631744.

The previous prime is 56135591. The next prime is 56135621. The reversal of 56135615 is 51653165.

It is a cyclic number.

It is not a de Polignac number, because 56135615 - 2⁶ = 56135551 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 767 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (4524822).

Almost surely, 2^56135615 is an apocalyptic number.

56135615 is a deficient number, since it is larger than the sum of its proper divisors (16261537).

56135615 is a wasteful number, since it uses less digits than its factorization.

56135615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946.

The product of its digits is 13500, while the sum is 32.

The square root of 56135615 is about 7492.3704526672. The cubic root of 56135615 is about 382.8948234946.

The spelling of 56135615 in words is "fifty-six million, one hundred thirty-five thousand, six hundred fifteen".