55130422 has 16 divisors (see below), whose sum is σ = 87721920. Its totient is φ = 25895808.

The previous prime is 55130417. The next prime is 55130423. The reversal of 55130422 is 22403155.

55130422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55130393 and 55130402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55130423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22963 + ... + 25249.

It is an arithmetic number, because the mean of its divisors is an integer number (5482620).

Almost surely, 2^55130422 is an apocalyptic number.

55130422 is a deficient number, since it is larger than the sum of its proper divisors (32591498).

55130422 is a wasteful number, since it uses less digits than its factorization.

55130422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55130422 is about 7424.9863299537. The cubic root of 55130422 is about 380.5956079755.

Adding to 55130422 its reverse (22403155), we get a palindrome (77533577).

The spelling of 55130422 in words is "fifty-five million, one hundred thirty thousand, four hundred twenty-two".