56161570 has 16 divisors (see below), whose sum is σ = 101227968. Its totient is φ = 22434160.

The previous prime is 56161543. The next prime is 56161577. The reversal of 56161570 is 7516165.

56161570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56161577) 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 7 ways as a sum of consecutive naturals, for example, 4875 + ... + 11665.

It is an arithmetic number, because the mean of its divisors is an integer number (6326748).

Almost surely, 2^56161570 is an apocalyptic number.

56161570 is a deficient number, since it is larger than the sum of its proper divisors (45066398).

56161570 is a wasteful number, since it uses less digits than its factorization.

56161570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 56161570 is about 7494.1023478466. The cubic root of 56161570 is about 382.9538264638.

The spelling of 56161570 in words is "fifty-six million, one hundred sixty-one thousand, five hundred seventy".