56363440 has 40 divisors (see below), whose sum is σ = 149767200. Its totient is φ = 19324416.

The previous prime is 56363431. The next prime is 56363453. The reversal of 56363440 is 4436365.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49765 + ... + 50884.

It is an arithmetic number, because the mean of its divisors is an integer number (3744180).

Almost surely, 2^56363440 is an apocalyptic number.

It is an amenable number.

56363440 is an abundant number, since it is smaller than the sum of its proper divisors (93403760).

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

56363440 is a wasteful number, since it uses less digits than its factorization.

56363440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100669 (or 100663 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 56363440 is about 7507.5588575781. The cubic root of 56363440 is about 383.4121140330.

The spelling of 56363440 in words is "fifty-six million, three hundred sixty-three thousand, four hundred forty".