56161473 has 16 divisors (see below), whose sum is σ = 79129920. Its totient is φ = 35332416.

The previous prime is 56161463. The next prime is 56161481. The reversal of 56161473 is 37416165.

56161473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56161473 - 2⁶ = 56161409 is a prime.

It is a super-2 number, since 2×56161473² = 6308222099059458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56161433) 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, 14011 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (4945620).

Almost surely, 2^56161473 is an apocalyptic number.

It is an amenable number.

56161473 is a deficient number, since it is larger than the sum of its proper divisors (22968447).

56161473 is a wasteful number, since it uses less digits than its factorization.

56161473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856.

The product of its digits is 15120, while the sum is 33.

The square root of 56161473 is about 7494.0958760881. The cubic root of 56161473 is about 382.9536059895.

The spelling of 56161473 in words is "fifty-six million, one hundred sixty-one thousand, four hundred seventy-three".