56018361 has 16 divisors (see below), whose sum is σ = 86565888. Its totient is φ = 31558800.

The previous prime is 56018359. The next prime is 56018371. The reversal of 56018361 is 16381065.

It is not a de Polignac number, because 56018361 - 2¹ = 56018359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56018311) 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, 17295 + ... + 20276.

It is an arithmetic number, because the mean of its divisors is an integer number (5410368).

Almost surely, 2^56018361 is an apocalyptic number.

It is an amenable number.

56018361 is a deficient number, since it is larger than the sum of its proper divisors (30547527).

56018361 is a wasteful number, since it uses less digits than its factorization.

56018361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37652.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 56018361 is about 7484.5414689211. The cubic root of 56018361 is about 382.6280454729.

The spelling of 56018361 in words is "fifty-six million, eighteen thousand, three hundred sixty-one".