55111255 has 8 divisors (see below), whose sum is σ = 67381632. Its totient is φ = 43256928.

The previous prime is 55111247. The next prime is 55111261. The reversal of 55111255 is 55211155.

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 55111255 - 2³ = 55111247 is a prime.

It is a Duffinian number.

It is a congruent 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, 103719 + ... + 104248.

It is an arithmetic number, because the mean of its divisors is an integer number (8422704).

Almost surely, 2^55111255 is an apocalyptic number.

55111255 is a deficient number, since it is larger than the sum of its proper divisors (12270377).

55111255 is a wasteful number, since it uses less digits than its factorization.

55111255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208025.

The product of its digits is 1250, while the sum is 25.

The square root of 55111255 is about 7423.6955083031. The cubic root of 55111255 is about 380.5514960841.

The spelling of 55111255 in words is "fifty-five million, one hundred eleven thousand, two hundred fifty-five".