55636465 has 16 divisors (see below), whose sum is σ = 71334720. Its totient is φ = 41532480.

The previous prime is 55636459. The next prime is 55636487. The reversal of 55636465 is 56463655.

It is a happy number.

It is not a de Polignac number, because 55636465 - 2³ = 55636457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (4458420).

Almost surely, 2^55636465 is an apocalyptic number.

It is an amenable number.

55636465 is a deficient number, since it is larger than the sum of its proper divisors (15698255).

55636465 is a wasteful number, since it uses less digits than its factorization.

55636465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832.

The product of its digits is 324000, while the sum is 40.

The square root of 55636465 is about 7458.9855208332. The cubic root of 55636465 is about 381.7565607197.

The spelling of 55636465 in words is "fifty-five million, six hundred thirty-six thousand, four hundred sixty-five".