55193142 has 16 divisors (see below), whose sum is σ = 110589120. Its totient is φ = 18363912.

The previous prime is 55193141. The next prime is 55193189. The reversal of 55193142 is 24139155.

55193142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55193141) 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, 4792 + ... + 11547.

It is an arithmetic number, because the mean of its divisors is an integer number (6911820).

Almost surely, 2^55193142 is an apocalyptic number.

55193142 is an abundant number, since it is smaller than the sum of its proper divisors (55395978).

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

55193142 is a wasteful number, since it uses less digits than its factorization.

55193142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16907.

The product of its digits is 5400, while the sum is 30.

The square root of 55193142 is about 7429.2087061813. The cubic root of 55193142 is about 380.7398834892.

The spelling of 55193142 in words is "fifty-five million, one hundred ninety-three thousand, one hundred forty-two".