55422430 has 48 divisors (see below), whose sum is σ = 122176080. Its totient is φ = 17998848.

The previous prime is 55422407. The next prime is 55422443. The reversal of 55422430 is 3422455.

It is a junction number, because it is equal to n+sod(n) for n = 55422395 and 55422404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6334 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (2545335).

Almost surely, 2^55422430 is an apocalyptic number.

55422430 is an abundant number, since it is smaller than the sum of its proper divisors (66753650).

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

55422430 is a wasteful number, since it uses less digits than its factorization.

55422430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993 (or 5986 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 55422430 is about 7444.6242349765. The cubic root of 55422430 is about 381.2663889757.

Adding to 55422430 its sum of digits (25), we get a palindrome (55422455).

Adding to 55422430 its reverse (3422455), we get a palindrome (58844885).

The spelling of 55422430 in words is "fifty-five million, four hundred twenty-two thousand, four hundred thirty".