56049664 has 60 divisors (see below), whose sum is σ = 122679648. Its totient is φ = 25395200.

The previous prime is 56049661. The next prime is 56049671. The reversal of 56049664 is 46694065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56049661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180069 + ... + 180379.

Almost surely, 2^56049664 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 56049664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61339824).

56049664 is an abundant number, since it is smaller than the sum of its proper divisors (66629984).

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

56049664 is an equidigital number, since it uses as much as digits as its factorization.

56049664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 56049664 is about 7486.6323537356. The cubic root of 56049664 is about 382.6993029154.

The spelling of 56049664 in words is "fifty-six million, forty-nine thousand, six hundred sixty-four".