56170240 has 72 divisors (see below), whose sum is σ = 153790560. Its totient is φ = 19255296.

The previous prime is 56170237. The next prime is 56170243. The reversal of 56170240 is 4207165.

It is an interprime number because it is at equal distance from previous prime (56170237) and next prime (56170243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56170243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5826 + ... + 12094.

It is an arithmetic number, because the mean of its divisors is an integer number (2135980).

Almost surely, 2^56170240 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 56170240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76895280).

56170240 is an abundant number, since it is smaller than the sum of its proper divisors (97620320).

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

56170240 is an equidigital number, since it uses as much as digits as its factorization.

56170240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297 (or 6283 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56170240 is about 7494.6807803935. The cubic root of 56170240 is about 382.9735317465.

The spelling of 56170240 in words is "fifty-six million, one hundred seventy thousand, two hundred forty".