56453660 has 24 divisors (see below), whose sum is σ = 118700736. Its totient is φ = 22553280.

The previous prime is 56453629. The next prime is 56453669. The reversal of 56453660 is 6635465.

It is a self number, because there is not a number n which added to its sum of digits gives 56453660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56453669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23474 + ... + 25766.

It is an arithmetic number, because the mean of its divisors is an integer number (4945864).

Almost surely, 2^56453660 is an apocalyptic number.

It is an amenable number.

56453660 is an abundant number, since it is smaller than the sum of its proper divisors (62247076).

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

56453660 is a wasteful number, since it uses less digits than its factorization.

56453660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 56453660 is about 7513.5650659324. The cubic root of 56453660 is about 383.6165787279.

The spelling of 56453660 in words is "fifty-six million, four hundred fifty-three thousand, six hundred sixty".