55185825522 has 16 divisors (see below), whose sum is σ = 110457292320. Its totient is φ = 18381001632.

The previous prime is 55185825521. The next prime is 55185825557. The reversal of 55185825522 is 22552858155.

It is not an unprimeable number, because it can be changed into a prime (55185825521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560008 + ... + 3575475.

It is an arithmetic number, because the mean of its divisors is an integer number (6903580770).

Almost surely, 2^55185825522 is an apocalyptic number.

55185825522 is an abundant number, since it is smaller than the sum of its proper divisors (55271466798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55185825522 is a wasteful number, since it uses less digits than its factorization.

55185825522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136777.

The product of its digits is 1600000, while the sum is 48.

The spelling of 55185825522 in words is "fifty-five billion, one hundred eighty-five million, eight hundred twenty-five thousand, five hundred twenty-two".