56161456 has 40 divisors (see below), whose sum is σ = 117874400. Its totient is φ = 25767936.

The previous prime is 56161453. The next prime is 56161463. The reversal of 56161456 is 65416165.

It is a happy number.

56161456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56161453) 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, 39445 + ... + 40843.

It is an arithmetic number, because the mean of its divisors is an integer number (2946860).

Almost surely, 2^56161456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56161456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58937200).

56161456 is an abundant number, since it is smaller than the sum of its proper divisors (61712944).

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

56161456 is a wasteful number, since it uses less digits than its factorization.

56161456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1607 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 56161456 is about 7494.0947418618. The cubic root of 56161456 is about 382.9535673497.

The spelling of 56161456 in words is "fifty-six million, one hundred sixty-one thousand, four hundred fifty-six".