55525422 has 8 divisors (see below), whose sum is σ = 111050856. Its totient is φ = 18508472.

The previous prime is 55525399. The next prime is 55525441. The reversal of 55525422 is 22452555.

It is a sphenic number, since it is the product of 3 distinct primes.

55525422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55525422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4627113 + ... + 4627124.

It is an arithmetic number, because the mean of its divisors is an integer number (13881357).

Almost surely, 2^55525422 is an apocalyptic number.

55525422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55525422 is a wasteful number, since it uses less digits than its factorization.

55525422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254242.

The product of its digits is 20000, while the sum is 30.

The square root of 55525422 is about 7451.5382304595. The cubic root of 55525422 is about 381.5024130870.

Adding to 55525422 its reverse (22452555), we get a palindrome (77977977).

The spelling of 55525422 in words is "fifty-five million, five hundred twenty-five thousand, four hundred twenty-two".