56356664 has 48 divisors (see below), whose sum is σ = 132388200. Its totient is φ = 22292928.

The previous prime is 56356639. The next prime is 56356691. The reversal of 56356664 is 46665365.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 434 + ... + 10625.

Almost surely, 2^56356664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56356664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66194100).

56356664 is an abundant number, since it is smaller than the sum of its proper divisors (76031536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56356664 is a wasteful number, since it uses less digits than its factorization.

56356664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11092 (or 11081 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The square root of 56356664 is about 7507.1075655008. The cubic root of 56356664 is about 383.3967488448.

The spelling of 56356664 in words is "fifty-six million, three hundred fifty-six thousand, six hundred sixty-four".