56308648 has 32 divisors (see below), whose sum is σ = 118897920. Its totient is φ = 24768000.

The previous prime is 56308583. The next prime is 56308661. The reversal of 56308648 is 84680365.

It is a self number, because there is not a number n which added to its sum of digits gives 56308648.

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, 7593 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (3715560).

Almost surely, 2^56308648 is an apocalyptic number.

It is an amenable number.

56308648 is an abundant number, since it is smaller than the sum of its proper divisors (62589272).

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

56308648 is a wasteful number, since it uses less digits than its factorization.

56308648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689 (or 20685 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 56308648 is about 7503.9088480605. The cubic root of 56308648 is about 383.2878329528.

The spelling of 56308648 in words is "fifty-six million, three hundred eight thousand, six hundred forty-eight".