55342422 has 24 divisors (see below), whose sum is σ = 120524976. Its totient is φ = 18352656.

The previous prime is 55342387. The next prime is 55342447. The reversal of 55342422 is 22424355.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4258 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (5021874).

Almost surely, 2^55342422 is an apocalyptic number.

55342422 is an abundant number, since it is smaller than the sum of its proper divisors (65182554).

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

55342422 is a wasteful number, since it uses less digits than its factorization.

55342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812 (or 15809 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 55342422 is about 7439.2487523943. The cubic root of 55342422 is about 381.0828348216.

Adding to 55342422 its reverse (22424355), we get a palindrome (77766777).

The spelling of 55342422 in words is "fifty-five million, three hundred forty-two thousand, four hundred twenty-two".