56453240 has 16 divisors (see below), whose sum is σ = 127019880. Its totient is φ = 22581280.

The previous prime is 56453203. The next prime is 56453249. The reversal of 56453240 is 4235465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56453249) 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, 705626 + ... + 705705.

Almost surely, 2^56453240 is an apocalyptic number.

It is an amenable number.

56453240 is an abundant number, since it is smaller than the sum of its proper divisors (70566640).

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

56453240 is a wasteful number, since it uses less digits than its factorization.

56453240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411342 (or 1411338 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 56453240 is about 7513.5371164319. The cubic root of 56453240 is about 383.6156273909.

The spelling of 56453240 in words is "fifty-six million, four hundred fifty-three thousand, two hundred forty".