55050155 has 8 divisors (see below), whose sum is σ = 68932512. Its totient is φ = 42125248.

The previous prime is 55050143. The next prime is 55050209. The reversal of 55050155 is 55105055.

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 55050155 - 2⁴ = 55050139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239234 + ... + 239463.

It is an arithmetic number, because the mean of its divisors is an integer number (8616564).

Almost surely, 2^55050155 is an apocalyptic number.

55050155 is a deficient number, since it is larger than the sum of its proper divisors (13882357).

55050155 is a wasteful number, since it uses less digits than its factorization.

55050155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478725.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 55050155 is about 7419.5791659635. The cubic root of 55050155 is about 380.4108091863.

It can be divided in two parts, 550 and 50155, that added together give a palindrome (50705).

The spelling of 55050155 in words is "fifty-five million, fifty thousand, one hundred fifty-five".