56161110 has 32 divisors (see below), whose sum is σ = 139436640. Its totient is φ = 14459648.

The previous prime is 56161087. The next prime is 56161121. The reversal of 56161110 is 1116165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31407 + ... + 33146.

It is an arithmetic number, because the mean of its divisors is an integer number (4357395).

Almost surely, 2^56161110 is an apocalyptic number.

56161110 is an abundant number, since it is smaller than the sum of its proper divisors (83275530).

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

56161110 is a wasteful number, since it uses less digits than its factorization.

56161110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64592.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 56161110 is about 7494.0716569833. The cubic root of 56161110 is about 382.9527809135.

Adding to 56161110 its reverse (1116165), we get a palindrome (57277275).

The spelling of 56161110 in words is "fifty-six million, one hundred sixty-one thousand, one hundred ten".