55522105 has 4 divisors (see below), whose sum is σ = 66626532. Its totient is φ = 44417680.

The previous prime is 55522099. The next prime is 55522151. The reversal of 55522105 is 50122555.

It is a happy number.

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 24285184 + 31236921 = 4928^2 + 5589^2 .

It is not a de Polignac number, because 55522105 - 2¹⁵ = 55489337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55522105.

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, 5552206 + ... + 5552215.

It is an arithmetic number, because the mean of its divisors is an integer number (16656633).

Almost surely, 2^55522105 is an apocalyptic number.

It is an amenable number.

55522105 is a deficient number, since it is larger than the sum of its proper divisors (11104427).

55522105 is a wasteful number, since it uses less digits than its factorization.

55522105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104426.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55522105 is about 7451.3156556410. The cubic root of 55522105 is about 381.4948161542.

The spelling of 55522105 in words is "fifty-five million, five hundred twenty-two thousand, one hundred five".