56299280 has 40 divisors (see below), whose sum is σ = 137788800. Its totient is φ = 21333888.

The previous prime is 56299267. The next prime is 56299297. The reversal of 56299280 is 8299265.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17000 + ... + 20039.

It is an arithmetic number, because the mean of its divisors is an integer number (3444720).

Almost surely, 2^56299280 is an apocalyptic number.

It is an amenable number.

56299280 is an abundant number, since it is smaller than the sum of its proper divisors (81489520).

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

56299280 is a wasteful number, since it uses less digits than its factorization.

56299280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37071 (or 37065 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 56299280 is about 7503.2846140874. The cubic root of 56299280 is about 383.2665760666.

The spelling of 56299280 in words is "fifty-six million, two hundred ninety-nine thousand, two hundred eighty".