56215653 has 12 divisors (see below), whose sum is σ = 81164160. Its totient is φ = 34593936.

The previous prime is 56215589. The next prime is 56215673. The reversal of 56215653 is 35651265.

56215653 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 56215653 - 2⁶ = 56215589 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56215673) 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, 54933 + ... + 55946.

It is an arithmetic number, because the mean of its divisors is an integer number (6763680).

Almost surely, 2^56215653 is an apocalyptic number.

It is an amenable number.

56215653 is a deficient number, since it is larger than the sum of its proper divisors (24948507).

56215653 is a wasteful number, since it uses less digits than its factorization.

56215653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110908 (or 110895 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 56215653 is about 7497.7098503476. The cubic root of 56215653 is about 383.0767138587.

The spelling of 56215653 in words is "fifty-six million, two hundred fifteen thousand, six hundred fifty-three".