55122522 has 32 divisors (see below), whose sum is σ = 135687552. Its totient is φ = 14537664.

The previous prime is 55122521. The next prime is 55122527. The reversal of 55122522 is 22522155.

It is a junction number, because it is equal to n+sod(n) for n = 55122492 and 55122501.

It is not an unprimeable number, because it can be changed into a prime (55122521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49933 + ... + 51024.

It is an arithmetic number, because the mean of its divisors is an integer number (4240236).

Almost surely, 2^55122522 is an apocalyptic number.

55122522 is an abundant number, since it is smaller than the sum of its proper divisors (80565030).

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

55122522 is a wasteful number, since it uses less digits than its factorization.

55122522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100982.

The product of its digits is 2000, while the sum is 24.

The square root of 55122522 is about 7424.4543233830. The cubic root of 55122522 is about 380.5774277596.

Adding to 55122522 its reverse (22522155), we get a palindrome (77644677).

The spelling of 55122522 in words is "fifty-five million, one hundred twenty-two thousand, five hundred twenty-two".