56365633 has 4 divisors (see below), whose sum is σ = 56946820. Its totient is φ = 55784448.

The previous prime is 56365619. The next prime is 56365637. The reversal of 56365633 is 33656365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33656365 = 5 ⋅6731273.

It can be written as a sum of positive squares in 2 ways, for example, as 35141184 + 21224449 = 5928^2 + 4607^2 .

It is a cyclic number.

It is not a de Polignac number, because 56365633 - 2⁵ = 56365601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56365592 and 56365601.

It is not an unprimeable number, because it can be changed into a prime (56365637) 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, 290448 + ... + 290641.

It is an arithmetic number, because the mean of its divisors is an integer number (14236705).

Almost surely, 2^56365633 is an apocalyptic number.

It is an amenable number.

56365633 is a deficient number, since it is larger than the sum of its proper divisors (581187).

56365633 is an equidigital number, since it uses as much as digits as its factorization.

56365633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581186.

The product of its digits is 145800, while the sum is 37.

The square root of 56365633 is about 7507.7049089585. The cubic root of 56365633 is about 383.4170865936.

The spelling of 56365633 in words is "fifty-six million, three hundred sixty-five thousand, six hundred thirty-three".