55220412105 has 12 divisors (see below), whose sum is σ = 95715381060. Its totient is φ = 29450886432.

The previous prime is 55220412097. The next prime is 55220412131. The reversal of 55220412105 is 50121402255.

55220412105 is a `hidden beast` number, since 552 + 2 + 0 + 4 + 1 + 2 + 105 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41317879824 + 13902532281 = 203268^2 + 117909^2 .

It is not a de Polignac number, because 55220412105 - 2³ = 55220412097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613560090 + ... + 613560179.

It is an arithmetic number, because the mean of its divisors is an integer number (7976281755).

Almost surely, 2^55220412105 is an apocalyptic number.

It is an amenable number.

55220412105 is a deficient number, since it is larger than the sum of its proper divisors (40494968955).

55220412105 is a wasteful number, since it uses less digits than its factorization.

55220412105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227120280 (or 1227120277 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 55220412105 in words is "fifty-five billion, two hundred twenty million, four hundred twelve thousand, one hundred five".