55955223 has 12 divisors (see below), whose sum is σ = 80889120. Its totient is φ = 37273536.

The previous prime is 55955213. The next prime is 55955261. The reversal of 55955223 is 32255955.

It is not a de Polignac number, because 55955223 - 2⁵ = 55955191 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55955203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20143 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (6740760).

Almost surely, 2^55955223 is an apocalyptic number.

55955223 is a deficient number, since it is larger than the sum of its proper divisors (24933897).

55955223 is a wasteful number, since it uses less digits than its factorization.

55955223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998 (or 4995 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 55955223 is about 7480.3223861007. The cubic root of 55955223 is about 382.4842387457.

The spelling of 55955223 in words is "fifty-five million, nine hundred fifty-five thousand, two hundred twenty-three".