56264240 has 40 divisors (see below), whose sum is σ = 131338320. Its totient is φ = 22415616.

The previous prime is 56264227. The next prime is 56264249. The reversal of 56264240 is 4246265.

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

It is not an unprimeable number, because it can be changed into a prime (56264249) by changing a digit.

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, 20891 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (3283458).

Almost surely, 2^56264240 is an apocalyptic number.

It is an amenable number.

56264240 is an abundant number, since it is smaller than the sum of its proper divisors (75074080).

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

56264240 is a wasteful number, since it uses less digits than its factorization.

56264240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 56264240 is about 7500.9492732587. The cubic root of 56264240 is about 383.1870460505.

The spelling of 56264240 in words is "fifty-six million, two hundred sixty-four thousand, two hundred forty".