55523166132555 has 32 divisors (see below), whose sum is σ = 107681291896320. Its totient is φ = 26920322972640.

The previous prime is 55523166132517. The next prime is 55523166132563.

55523166132555 is a `hidden beast` number, since 5 + 5 + 5 + 2 + 3 + 16 + 613 + 2 + 5 + 5 + 5 = 666.

55523166132555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55523166132555 - 2⁸ = 55523166132299 is a prime.

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, 18694667247 + ... + 18694670216.

It is an arithmetic number, because the mean of its divisors is an integer number (3365040371760).

Almost surely, 2^{55523166132555} is an apocalyptic number.

55523166132555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55523166132555 is a deficient number, since it is larger than the sum of its proper divisors (52158125763765).

55523166132555 is a wasteful number, since it uses less digits than its factorization.

55523166132555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37389337488 (or 37389337482 counting only the distinct ones).

The product of its digits is 20250000, while the sum is 54.

The spelling of 55523166132555 in words is "fifty-five trillion, five hundred twenty-three billion, one hundred sixty-six million, one hundred thirty-two thousand, five hundred fifty-five".