56000140 has 36 divisors (see below), whose sum is σ = 136802736. Its totient is φ = 19199712.

The previous prime is 56000123. The next prime is 56000143. The reversal of 56000140 is 4100065.

It is not an unprimeable number, because it can be changed into a prime (56000143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27592 + ... + 29551.

It is an arithmetic number, because the mean of its divisors is an integer number (3800076).

Almost surely, 2^56000140 is an apocalyptic number.

It is an amenable number.

56000140 is an abundant number, since it is smaller than the sum of its proper divisors (80802596).

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

56000140 is a wasteful number, since it uses less digits than its factorization.

56000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57166 (or 57157 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 56000140 is about 7483.3241276855. The cubic root of 56000140 is about 382.5865553761.

It can be divided in two parts, 56000 and 140, that multiplied together give a square (7840000 = 2800²).

The spelling of 56000140 in words is "fifty-six million, one hundred forty", and thus it is an aban number.