55321534558105 has 4 divisors (see below), whose sum is σ = 66385841469732. Its totient is φ = 44257227646480.

The previous prime is 55321534558091. The next prime is 55321534558139. The reversal of 55321534558105 is 50185543512355.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37494325274121 + 17827209283984 = 6123261^2 + 4222228^2 .

It is not a de Polignac number, because 55321534558105 - 2³³ = 55312944623513 is a prime.

It is a Duffinian 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, 5532153455806 + ... + 5532153455815.

It is an arithmetic number, because the mean of its divisors is an integer number (16596460367433).

Almost surely, 2^{55321534558105} is an apocalyptic number.

It is an amenable number.

55321534558105 is a deficient number, since it is larger than the sum of its proper divisors (11064306911627).

55321534558105 is a wasteful number, since it uses less digits than its factorization.

55321534558105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064306911626.

The product of its (nonzero) digits is 9000000, while the sum is 52.

The spelling of 55321534558105 in words is "fifty-five trillion, three hundred twenty-one billion, five hundred thirty-four million, five hundred fifty-eight thousand, one hundred five".