55294442142 has 32 divisors (see below), whose sum is σ = 114794081280. Its totient is φ = 17737258560.

The previous prime is 55294442141. The next prime is 55294442149. The reversal of 55294442142 is 24124449255.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55294442094 and 55294442103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55294442141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797103 + ... + 863690.

It is an arithmetic number, because the mean of its divisors is an integer number (3587315040).

Almost surely, 2^55294442142 is an apocalyptic number.

55294442142 is an abundant number, since it is smaller than the sum of its proper divisors (59499639138).

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

55294442142 is a wasteful number, since it uses less digits than its factorization.

55294442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661008.

The product of its digits is 460800, while the sum is 42.

The spelling of 55294442142 in words is "fifty-five billion, two hundred ninety-four million, four hundred forty-two thousand, one hundred forty-two".