56086440 has 64 divisors (see below), whose sum is σ = 173698560. Its totient is φ = 14472960.

The previous prime is 56086421. The next prime is 56086441. The reversal of 56086440 is 4468065.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56086441) 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, 3819 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (2714040).

Almost surely, 2^56086440 is an apocalyptic number.

It is an amenable number.

56086440 is an abundant number, since it is smaller than the sum of its proper divisors (117612120).

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

56086440 is a wasteful number, since it uses less digits than its factorization.

56086440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15122 (or 15118 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 56086440 is about 7489.0880619739. The cubic root of 56086440 is about 382.7829850853.

The spelling of 56086440 in words is "fifty-six million, eighty-six thousand, four hundred forty".