55105530142 has 16 divisors (see below), whose sum is σ = 89039748672. Its totient is φ = 25426715040.

The previous prime is 55105530119. The next prime is 55105530143. The reversal of 55105530142 is 24103550155.

55105530142 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 (55105530143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172534 + ... + 374137.

It is an arithmetic number, because the mean of its divisors is an integer number (5564984292).

Almost surely, 2^55105530142 is an apocalyptic number.

55105530142 is a deficient number, since it is larger than the sum of its proper divisors (33934218530).

55105530142 is a wasteful number, since it uses less digits than its factorization.

55105530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550563.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 55105530142 in words is "fifty-five billion, one hundred five million, five hundred thirty thousand, one hundred forty-two".