56143560 has 64 divisors (see below), whose sum is σ = 183746880. Its totient is φ = 13610240.

The previous prime is 56143547. The next prime is 56143561. The reversal of 56143560 is 6534165.

56143560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56143561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19947 + ... + 22586.

It is an arithmetic number, because the mean of its divisors is an integer number (2871045).

Almost surely, 2^56143560 is an apocalyptic number.

It is an amenable number.

56143560 is an abundant number, since it is smaller than the sum of its proper divisors (127603320).

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

56143560 is a wasteful number, since it uses less digits than its factorization.

56143560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42558 (or 42554 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56143560 is about 7492.9006399391. The cubic root of 56143560 is about 382.9128866314.

The spelling of 56143560 in words is "fifty-six million, one hundred forty-three thousand, five hundred sixty".