55168311 has 16 divisors (see below), whose sum is σ = 80466048. Its totient is φ = 33343200.

The previous prime is 55168301. The next prime is 55168327. The reversal of 55168311 is 11386155.

It is not a de Polignac number, because 55168311 - 2⁹ = 55167799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55168301) 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, 10996 + ... + 15206.

It is an arithmetic number, because the mean of its divisors is an integer number (5029128).

Almost surely, 2^55168311 is an apocalyptic number.

55168311 is a deficient number, since it is larger than the sum of its proper divisors (25297737).

55168311 is a wasteful number, since it uses less digits than its factorization.

55168311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622.

The product of its digits is 3600, while the sum is 30.

The square root of 55168311 is about 7427.5373442346. The cubic root of 55168311 is about 380.6827775406.

The spelling of 55168311 in words is "fifty-five million, one hundred sixty-eight thousand, three hundred eleven".