56107140 has 96 divisors (see below), whose sum is σ = 169029504. Its totient is φ = 13854720.

The previous prime is 56107109. The next prime is 56107151. The reversal of 56107140 is 4170165.

It is a super-2 number, since 2×56107140² = 6296022317959200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56107140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67930 + ... + 68750.

It is an arithmetic number, because the mean of its divisors is an integer number (1760724).

Almost surely, 2^56107140 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 56107140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84514752).

56107140 is an abundant number, since it is smaller than the sum of its proper divisors (112922364).

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

56107140 is a wasteful number, since it uses less digits than its factorization.

56107140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 56107140 is about 7490.4699452037. The cubic root of 56107140 is about 382.8300709358.

The spelling of 56107140 in words is "fifty-six million, one hundred seven thousand, one hundred forty".