55405522550455 has 32 divisors (see below), whose sum is σ = 82898801491968. Its totient is φ = 34535847840000.

The previous prime is 55405522550377. The next prime is 55405522550461.

55405522550455 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-55405522550455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529207 + ... + 10539976.

It is an arithmetic number, because the mean of its divisors is an integer number (2590587546624).

Almost surely, 2^{55405522550455} is an apocalyptic number.

55405522550455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55405522550455 is a deficient number, since it is larger than the sum of its proper divisors (27493278941513).

55405522550455 is a wasteful number, since it uses less digits than its factorization.

55405522550455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082207.

The product of its (nonzero) digits is 25000000, while the sum is 52.

The spelling of 55405522550455 in words is "fifty-five trillion, four hundred five billion, five hundred twenty-two million, five hundred fifty thousand, four hundred fifty-five".