56356615 has 32 divisors (see below), whose sum is σ = 83548800. Its totient is φ = 36352512.

The previous prime is 56356613. The next prime is 56356627. The reversal of 56356615 is 51665365.

It is a happy number.

It is not a de Polignac number, because 56356615 - 2¹ = 56356613 is a prime.

It is a super-3 number, since 3×56356615³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56356613) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28189 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (2610900).

Almost surely, 2^56356615 is an apocalyptic number.

56356615 is a deficient number, since it is larger than the sum of its proper divisors (27192185).

56356615 is a wasteful number, since it uses less digits than its factorization.

56356615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1962 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The square root of 56356615 is about 7507.1043019263. The cubic root of 56356615 is about 383.3966377284.

The spelling of 56356615 in words is "fifty-six million, three hundred fifty-six thousand, six hundred fifteen".