55222055 has 16 divisors (see below), whose sum is σ = 76127040. Its totient is φ = 37669632.

The previous prime is 55222043. The next prime is 55222109. The reversal of 55222055 is 55022255.

It is not a de Polignac number, because 55222055 - 2¹² = 55217959 is a prime.

It is a congruent number.

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, 2891 + ... + 10899.

It is an arithmetic number, because the mean of its divisors is an integer number (4757940).

Almost surely, 2^55222055 is an apocalyptic number.

55222055 is a deficient number, since it is larger than the sum of its proper divisors (20904985).

55222055 is a wasteful number, since it uses less digits than its factorization.

55222055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 55222055 is about 7431.1543517814. The cubic root of 55222055 is about 380.8063555796.

The spelling of 55222055 in words is "fifty-five million, two hundred twenty-two thousand, fifty-five".