55225222355 has 4 divisors (see below), whose sum is σ = 66270266832. Its totient is φ = 44180177880.

The previous prime is 55225222337. The next prime is 55225222387. The reversal of 55225222355 is 55322252255.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55225222355 - 2⁶ = 55225222291 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 5522522231 + ... + 5522522240.

It is an arithmetic number, because the mean of its divisors is an integer number (16567566708).

Almost surely, 2^55225222355 is an apocalyptic number.

55225222355 is a deficient number, since it is larger than the sum of its proper divisors (11045044477).

55225222355 is a wasteful number, since it uses less digits than its factorization.

55225222355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045044476.

The product of its digits is 300000, while the sum is 38.

The spelling of 55225222355 in words is "fifty-five billion, two hundred twenty-five million, two hundred twenty-two thousand, three hundred fifty-five".