56909363 has 4 divisors (see below), whose sum is σ = 65039280. Its totient is φ = 48779448.

The previous prime is 56909357. The next prime is 56909381. The reversal of 56909363 is 36390965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56909363 - 2¹⁰ = 56908339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56909363.

It is not an unprimeable number, because it can be changed into a prime (56909563) 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, 4064948 + ... + 4064961.

It is an arithmetic number, because the mean of its divisors is an integer number (16259820).

Almost surely, 2^56909363 is an apocalyptic number.

56909363 is a deficient number, since it is larger than the sum of its proper divisors (8129917).

56909363 is an equidigital number, since it uses as much as digits as its factorization.

56909363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129916.

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 56909363 is about 7543.8294651987. The cubic root of 56909363 is about 384.6460185969.

The spelling of 56909363 in words is "fifty-six million, nine hundred nine thousand, three hundred sixty-three".