55319955 has 32 divisors (see below), whose sum is σ = 94125888. Its totient is φ = 27648000.

The previous prime is 55319939. The next prime is 55319981. The reversal of 55319955 is 55991355.

55319955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55319955 - 2⁴ = 55319939 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101985 + ... + 102525.

It is an arithmetic number, because the mean of its divisors is an integer number (2941434).

Almost surely, 2^55319955 is an apocalyptic number.

55319955 is a deficient number, since it is larger than the sum of its proper divisors (38805933).

55319955 is a wasteful number, since it uses less digits than its factorization.

55319955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 151875, while the sum is 42.

The square root of 55319955 is about 7437.7385676024. The cubic root of 55319955 is about 381.0312592756.

The spelling of 55319955 in words is "fifty-five million, three hundred nineteen thousand, nine hundred fifty-five".