55168555 has 8 divisors (see below), whose sum is σ = 71294832. Its totient is φ = 40739808.

The previous prime is 55168549. The next prime is 55168579. The reversal of 55168555 is 55586155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55168555 - 2²³ = 46779947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424309 + ... + 424438.

It is an arithmetic number, because the mean of its divisors is an integer number (8911854).

Almost surely, 2^55168555 is an apocalyptic number.

55168555 is a deficient number, since it is larger than the sum of its proper divisors (16126277).

55168555 is a wasteful number, since it uses less digits than its factorization.

55168555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848765.

The product of its digits is 150000, while the sum is 40.

The square root of 55168555 is about 7427.5537695799. The cubic root of 55168555 is about 380.6833387714.

The spelling of 55168555 in words is "fifty-five million, one hundred sixty-eight thousand, five hundred fifty-five".