55055505528055 has 4 divisors (see below), whose sum is σ = 66066606633672. Its totient is φ = 44044404422440.

The previous prime is 55055505527993. The next prime is 55055505528059. The reversal of 55055505528055 is 55082550555055.

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 55055505528055 - 2²¹ = 55055503430903 is a prime.

It is a super-2 number, since 2×55055505528055² (a number of 28 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 = 55055505527987 and 55055505528005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055505528059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505550552801 + ... + 5505550552810.

It is an arithmetic number, because the mean of its divisors is an integer number (16516651658418).

Almost surely, 2^{55055505528055} is an apocalyptic number.

55055505528055 is a deficient number, since it is larger than the sum of its proper divisors (11011101105617).

55055505528055 is a wasteful number, since it uses less digits than its factorization.

55055505528055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011101105616.

The product of its (nonzero) digits is 31250000, while the sum is 55.

The spelling of 55055505528055 in words is "fifty-five trillion, fifty-five billion, five hundred five million, five hundred twenty-eight thousand, fifty-five".