56205180 has 36 divisors (see below), whose sum is σ = 170489592. Its totient is φ = 14988000.

The previous prime is 56205167. The next prime is 56205181. The reversal of 56205180 is 8150265.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56205181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155946 + ... + 156305.

It is an arithmetic number, because the mean of its divisors is an integer number (4735822).

Almost surely, 2^56205180 is an apocalyptic number.

It is an amenable number.

56205180 is an abundant number, since it is smaller than the sum of its proper divisors (114284412).

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

56205180 is a wasteful number, since it uses less digits than its factorization.

56205180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312266 (or 312261 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 56205180 is about 7497.0114045532. The cubic root of 56205180 is about 383.0529232632.

The spelling of 56205180 in words is "fifty-six million, two hundred five thousand, one hundred eighty".