56181727 has 16 divisors (see below), whose sum is σ = 67795200. Its totient is φ = 45480960.

The previous prime is 56181707. The next prime is 56181731. The reversal of 56181727 is 72718165.

It is not a de Polignac number, because 56181727 - 2⁷ = 56181599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56181707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84924 + ... + 85582.

It is an arithmetic number, because the mean of its divisors is an integer number (4237200).

Almost surely, 2^56181727 is an apocalyptic number.

56181727 is a deficient number, since it is larger than the sum of its proper divisors (11613473).

56181727 is a wasteful number, since it uses less digits than its factorization.

56181727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its digits is 23520, while the sum is 37.

The square root of 56181727 is about 7495.4470847308. The cubic root of 56181727 is about 382.9996364187. Note that the first 3 decimals are identical.

The spelling of 56181727 in words is "fifty-six million, one hundred eighty-one thousand, seven hundred twenty-seven".