55422332225 has 24 divisors (see below), whose sum is σ = 74021538360. Its totient is φ = 40920952320.

The previous prime is 55422332197. The next prime is 55422332243. The reversal of 55422332225 is 52223322455.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 27622772401 + 27799559824 = 166201^2 + 166732^2 .

It is not a de Polignac number, because 55422332225 - 2⁸ = 55422331969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3781211 + ... + 3795839.

It is an arithmetic number, because the mean of its divisors is an integer number (3084230765).

Almost surely, 2^55422332225 is an apocalyptic number.

It is an amenable number.

55422332225 is a deficient number, since it is larger than the sum of its proper divisors (18599206135).

55422332225 is a wasteful number, since it uses less digits than its factorization.

55422332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26309 (or 26304 counting only the distinct ones).

The product of its digits is 144000, while the sum is 35.

The spelling of 55422332225 in words is "fifty-five billion, four hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-five".