56248840 has 16 divisors (see below), whose sum is σ = 126559980. Its totient is φ = 22499520.

The previous prime is 56248831. The next prime is 56248853. The reversal of 56248840 is 4884265.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 88804 = 7494^2 + 298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56248840.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703071 + ... + 703150.

Almost surely, 2^56248840 is an apocalyptic number.

It is an amenable number.

56248840 is an abundant number, since it is smaller than the sum of its proper divisors (70311140).

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

56248840 is a wasteful number, since it uses less digits than its factorization.

56248840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406232 (or 1406228 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 56248840 is about 7499.9226662680. The cubic root of 56248840 is about 383.1520823448.

The spelling of 56248840 in words is "fifty-six million, two hundred forty-eight thousand, eight hundred forty".