55100520255 has 32 divisors (see below), whose sum is σ = 96515377920. Its totient is φ = 26620980480.

The previous prime is 55100520229. The next prime is 55100520269. The reversal of 55100520255 is 55202500155.

It is not a de Polignac number, because 55100520255 - 2⁶ = 55100520191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543310 + ... + 636699.

It is an arithmetic number, because the mean of its divisors is an integer number (3016105560).

Almost surely, 2^55100520255 is an apocalyptic number.

55100520255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55100520255 is a deficient number, since it is larger than the sum of its proper divisors (41414857665).

55100520255 is a wasteful number, since it uses less digits than its factorization.

55100520255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180311.

The product of its (nonzero) digits is 12500, while the sum is 30.

Subtracting from 55100520255 its sum of digits (30), we obtain a square (55100520225 = 234735²).

The spelling of 55100520255 in words is "fifty-five billion, one hundred million, five hundred twenty thousand, two hundred fifty-five".