55030422 has 32 divisors (see below), whose sum is σ = 116392320. Its totient is φ = 17297280.

The previous prime is 55030387. The next prime is 55030427. The reversal of 55030422 is 22403055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030427) 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, 26473 + ... + 28475.

It is an arithmetic number, because the mean of its divisors is an integer number (3637260).

Almost surely, 2^55030422 is an apocalyptic number.

55030422 is an abundant number, since it is smaller than the sum of its proper divisors (61361898).

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

55030422 is a wasteful number, since it uses less digits than its factorization.

55030422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55030422 is about 7418.2492543726. The cubic root of 55030422 is about 380.3653503763.

Adding to 55030422 its reverse (22403055), we get a palindrome (77433477).

The spelling of 55030422 in words is "fifty-five million, thirty thousand, four hundred twenty-two".