56345280 has 56 divisors (see below), whose sum is σ = 178899312. Its totient is φ = 15025152.

The previous prime is 56345227. The next prime is 56345281. The reversal of 56345280 is 8254365.

It is not an unprimeable number, because it can be changed into a prime (56345281) 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, 28387 + ... + 30306.

Almost surely, 2^56345280 is an apocalyptic number.

It is an amenable number.

56345280 is an abundant number, since it is smaller than the sum of its proper divisors (122554032).

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

56345280 is a wasteful number, since it uses less digits than its factorization.

56345280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58713 (or 58703 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 56345280 is about 7506.3493124155. The cubic root of 56345280 is about 383.3709318299.

The spelling of 56345280 in words is "fifty-six million, three hundred forty-five thousand, two hundred eighty".