56349664 has 24 divisors (see below), whose sum is σ = 126787248. Its totient is φ = 24149760.

The previous prime is 56349637. The next prime is 56349707. The reversal of 56349664 is 46694365.

It is a self number, because there is not a number n which added to its sum of digits gives 56349664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125557 + ... + 126004.

It is an arithmetic number, because the mean of its divisors is an integer number (5282802).

Almost surely, 2^56349664 is an apocalyptic number.

It is an amenable number.

56349664 is an abundant number, since it is smaller than the sum of its proper divisors (70437584).

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

56349664 is a wasteful number, since it uses less digits than its factorization.

56349664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251578 (or 251570 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 56349664 is about 7506.6413261858. The cubic root of 56349664 is about 383.3808744230.

The spelling of 56349664 in words is "fifty-six million, three hundred forty-nine thousand, six hundred sixty-four".