56408870 has 32 divisors (see below), whose sum is σ = 116424000. Its totient is φ = 19276416.

The previous prime is 56408797. The next prime is 56408879. The reversal of 56408870 is 7880465.

It is a super-2 number, since 2×56408870² = 6363921229353800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56408879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23276 + ... + 25584.

It is an arithmetic number, because the mean of its divisors is an integer number (3638250).

Almost surely, 2^56408870 is an apocalyptic number.

56408870 is an abundant number, since it is smaller than the sum of its proper divisors (60015130).

56408870 is a wasteful number, since it uses less digits than its factorization.

56408870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 56408870 is about 7510.5838654528. The cubic root of 56408870 is about 383.5150988436.

The spelling of 56408870 in words is "fifty-six million, four hundred eight thousand, eight hundred seventy".