56366320 has 20 divisors (see below), whose sum is σ = 131051880. Its totient is φ = 22546496.

The previous prime is 56366311. The next prime is 56366327. The reversal of 56366320 is 2366365.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56366327) 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, 352210 + ... + 352369.

It is an arithmetic number, because the mean of its divisors is an integer number (6552594).

Almost surely, 2^56366320 is an apocalyptic number.

It is an amenable number.

56366320 is an abundant number, since it is smaller than the sum of its proper divisors (74685560).

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

56366320 is a wasteful number, since it uses less digits than its factorization.

56366320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704592 (or 704586 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 56366320 is about 7507.7506618161. The cubic root of 56366320 is about 383.4186443186.

The spelling of 56366320 in words is "fifty-six million, three hundred sixty-six thousand, three hundred twenty".