55366223 has 16 divisors (see below), whose sum is σ = 62034720. Its totient is φ = 48988800.

The previous prime is 55366183. The next prime is 55366231. The reversal of 55366223 is 32266355.

It is a cyclic number.

It is not a de Polignac number, because 55366223 - 2⁸ = 55365967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55366223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366243) 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, 72761 + ... + 73517.

It is an arithmetic number, because the mean of its divisors is an integer number (3877170).

Almost surely, 2^55366223 is an apocalyptic number.

55366223 is a deficient number, since it is larger than the sum of its proper divisors (6668497).

55366223 is a wasteful number, since it uses less digits than its factorization.

55366223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938.

The product of its digits is 32400, while the sum is 32.

The square root of 55366223 is about 7440.8482715346. The cubic root of 55366223 is about 381.1374574918.

The spelling of 55366223 in words is "fifty-five million, three hundred sixty-six thousand, two hundred twenty-three".