55455222255455 has 32 divisors (see below), whose sum is σ = 72620048448000. Its totient is φ = 40317672816000.

The previous prime is 55455222255379. The next prime is 55455222255481.

55455222255455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55455222255455 - 2³⁴ = 55438042386271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55455222255455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2885427836 + ... + 2885447054.

It is an arithmetic number, because the mean of its divisors is an integer number (2269376514000).

Almost surely, 2^{55455222255455} is an apocalyptic number.

55455222255455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55455222255455 is a deficient number, since it is larger than the sum of its proper divisors (17164826192545).

55455222255455 is a wasteful number, since it uses less digits than its factorization.

55455222255455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33935.

The product of its digits is 100000000, while the sum is 56.

The spelling of 55455222255455 in words is "fifty-five trillion, four hundred fifty-five billion, two hundred twenty-two million, two hundred fifty-five thousand, four hundred fifty-five".