56215353 has 16 divisors (see below), whose sum is σ = 76224960. Its totient is φ = 36847104.

The previous prime is 56215349. The next prime is 56215361. The reversal of 56215353 is 35351265.

It is not a de Polignac number, because 56215353 - 2² = 56215349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56215353.

It is not an unprimeable number, because it can be changed into a prime (56215363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46525 + ... + 47717.

It is an arithmetic number, because the mean of its divisors is an integer number (4764060).

Almost surely, 2^56215353 is an apocalyptic number.

It is an amenable number.

56215353 is a deficient number, since it is larger than the sum of its proper divisors (20009607).

56215353 is a wasteful number, since it uses less digits than its factorization.

56215353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448.

The product of its digits is 13500, while the sum is 30.

The square root of 56215353 is about 7497.6898442120. The cubic root of 56215353 is about 383.0760324161.

The spelling of 56215353 in words is "fifty-six million, two hundred fifteen thousand, three hundred fifty-three".