55055500105 has 16 divisors (see below), whose sum is σ = 66482337600. Its totient is φ = 43767502528.

The previous prime is 55055500091. The next prime is 55055500139. The reversal of 55055500105 is 50100555055.

It is a cyclic number.

It is not a de Polignac number, because 55055500105 - 2²⁵ = 55021945673 is a prime.

It is a super-2 number, since 2×55055500105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800474 + ... + 1830796.

It is an arithmetic number, because the mean of its divisors is an integer number (4155146100).

Almost surely, 2^55055500105 is an apocalyptic number.

It is an amenable number.

55055500105 is a deficient number, since it is larger than the sum of its proper divisors (11426837495).

55055500105 is a wasteful number, since it uses less digits than its factorization.

55055500105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55055500105 in words is "fifty-five billion, fifty-five million, five hundred thousand, one hundred five".