56365873 has 4 divisors (see below), whose sum is σ = 56381220. Its totient is φ = 56350528.

The previous prime is 56365861. The next prime is 56365877. The reversal of 56365873 is 37856365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7463824 + 48902049 = 2732^2 + 6993^2 .

It is a cyclic number.

It is not a de Polignac number, because 56365873 - 2¹³ = 56357681 is a prime.

It is a super-2 number, since 2×56365873² = 6354223278104258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56365877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (14095305).

Almost surely, 2^56365873 is an apocalyptic number.

It is an amenable number.

56365873 is a deficient number, since it is larger than the sum of its proper divisors (15347).

56365873 is an equidigital number, since it uses as much as digits as its factorization.

56365873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15346.

The product of its digits is 453600, while the sum is 43.

The square root of 56365873 is about 7507.7208925212. The cubic root of 56365873 is about 383.4176307785.

The spelling of 56365873 in words is "fifty-six million, three hundred sixty-five thousand, eight hundred seventy-three".