56409708 has 96 divisors (see below), whose sum is σ = 149667840. Its totient is φ = 16441920.

The previous prime is 56409659. The next prime is 56409709. The reversal of 56409708 is 80790465.

It is not an unprimeable number, because it can be changed into a prime (56409709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162391 + ... + 162737.

It is an arithmetic number, because the mean of its divisors is an integer number (1559040).

Almost surely, 2^56409708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56409708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74833920).

56409708 is an abundant number, since it is smaller than the sum of its proper divisors (93258132).

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

56409708 is a wasteful number, since it uses less digits than its factorization.

56409708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 56409708 is about 7510.6396531853. The cubic root of 56409708 is about 383.5169979779.

The spelling of 56409708 in words is "fifty-six million, four hundred nine thousand, seven hundred eight".