55413183 has 16 divisors (see below), whose sum is σ = 89406720. Its totient is φ = 29801856.

The previous prime is 55413179. The next prime is 55413199. The reversal of 55413183 is 38131455.

It is not a de Polignac number, because 55413183 - 2² = 55413179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55413183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413103) 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, 77253 + ... + 77966.

It is an arithmetic number, because the mean of its divisors is an integer number (5587920).

Almost surely, 2^55413183 is an apocalyptic number.

55413183 is a deficient number, since it is larger than the sum of its proper divisors (33993537).

55413183 is a wasteful number, since it uses less digits than its factorization.

55413183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155246.

The product of its digits is 7200, while the sum is 30.

The square root of 55413183 is about 7444.0031569042. The cubic root of 55413183 is about 381.2451835636.

The spelling of 55413183 in words is "fifty-five million, four hundred thirteen thousand, one hundred eighty-three".