55275505055 has 4 divisors (see below), whose sum is σ = 66330606072. Its totient is φ = 44220404040.

The previous prime is 55275505007. The next prime is 55275505121. The reversal of 55275505055 is 55050557255.

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

It is a de Polignac number, because none of the positive numbers 2^k-55275505055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55275504997 and 55275505015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527550501 + ... + 5527550510.

It is an arithmetic number, because the mean of its divisors is an integer number (16582651518).

Almost surely, 2^55275505055 is an apocalyptic number.

55275505055 is a deficient number, since it is larger than the sum of its proper divisors (11055101017).

55275505055 is a wasteful number, since it uses less digits than its factorization.

55275505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055101016.

The product of its (nonzero) digits is 1093750, while the sum is 44.

The spelling of 55275505055 in words is "fifty-five billion, two hundred seventy-five million, five hundred five thousand, fifty-five".