55108476 has 18 divisors (see below), whose sum is σ = 139302072. Its totient is φ = 18369480.

The previous prime is 55108457. The next prime is 55108481. The reversal of 55108476 is 67480155.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1530791 = 55108476 / (5 + 5 + 1 + 0 + 8 + 4 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 55108476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 765360 + ... + 765431.

It is an arithmetic number, because the mean of its divisors is an integer number (7739004).

Almost surely, 2^55108476 is an apocalyptic number.

It is an amenable number.

55108476 is an abundant number, since it is smaller than the sum of its proper divisors (84193596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55108476 is a wasteful number, since it uses less digits than its factorization.

55108476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530801 (or 1530796 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55108476 is about 7423.5083350125. The cubic root of 55108476 is about 380.5450995057.

The spelling of 55108476 in words is "fifty-five million, one hundred eight thousand, four hundred seventy-six".