55505610105 has 16 divisors (see below), whose sum is σ = 96882519744. Its totient is φ = 26911810880.

The previous prime is 55505610091. The next prime is 55505610161. The reversal of 55505610105 is 50101650555.

It is not a de Polignac number, because 55505610105 - 2⁵ = 55505610073 is a prime.

It is a super-2 number, since 2×55505610105² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 168198654 + ... + 168198983.

It is an arithmetic number, because the mean of its divisors is an integer number (6055157484).

Almost surely, 2^55505610105 is an apocalyptic number.

55505610105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55505610105 is a deficient number, since it is larger than the sum of its proper divisors (41376909639).

55505610105 is a wasteful number, since it uses less digits than its factorization.

55505610105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336397656.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55505610105 in words is "fifty-five billion, five hundred five million, six hundred ten thousand, one hundred five".