55455888855455 has 8 divisors (see below), whose sum is σ = 72596799956304. Its totient is φ = 40331555531200.

The previous prime is 55455888855427. The next prime is 55455888855491.

55455888855455 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55455888855455 - 2²⁸ = 55455620419999 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 55455888855455.

It is a congruent number.

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, 504144444086 + ... + 504144444195.

It is an arithmetic number, because the mean of its divisors is an integer number (9074599994538).

Almost surely, 2^{55455888855455} is an apocalyptic number.

55455888855455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55455888855455 is a deficient number, since it is larger than the sum of its proper divisors (17140911100849).

55455888855455 is a wasteful number, since it uses less digits than its factorization.

55455888855455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008288888297.

The product of its digits is 25600000000, while the sum is 80.

The spelling of 55455888855455 in words is "fifty-five trillion, four hundred fifty-five billion, eight hundred eighty-eight million, eight hundred fifty-five thousand, four hundred fifty-five".