55110155 has 8 divisors (see below), whose sum is σ = 66180912. Its totient is φ = 44055648.

The previous prime is 55110149. The next prime is 55110161. The reversal of 55110155 is 55101155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55110149) and next prime (55110161).

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 55110155 - 2¹⁸ = 54848011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55110155.

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, 5417 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (8272614).

Almost surely, 2^55110155 is an apocalyptic number.

55110155 is a deficient number, since it is larger than the sum of its proper divisors (11070757).

55110155 is a wasteful number, since it uses less digits than its factorization.

55110155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 55110155 is about 7423.6214208431. The cubic root of 55110155 is about 380.5489641788.

The spelling of 55110155 in words is "fifty-five million, one hundred ten thousand, one hundred fifty-five".