55455100055 has 4 divisors (see below), whose sum is σ = 66546120072. Its totient is φ = 44364080040.

The previous prime is 55455100033. The next prime is 55455100067. The reversal of 55455100055 is 55000155455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55455100055 - 2²⁰ = 55454051479 is a prime.

It is a super-2 number, since 2×55455100055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55455099988 and 55455100024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545510001 + ... + 5545510010.

It is an arithmetic number, because the mean of its divisors is an integer number (16636530018).

Almost surely, 2^55455100055 is an apocalyptic number.

55455100055 is a deficient number, since it is larger than the sum of its proper divisors (11091020017).

55455100055 is a wasteful number, since it uses less digits than its factorization.

55455100055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091020016.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 55455100055 in words is "fifty-five billion, four hundred fifty-five million, one hundred thousand, fifty-five".