55442452342123 has 48 divisors (see below), whose sum is σ = 70610430706560. Its totient is φ = 43046757936000.

The previous prime is 55442452342111. The next prime is 55442452342129. The reversal of 55442452342123 is 32124325424455.

It is not a de Polignac number, because 55442452342123 - 2³³ = 55433862407531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55442452342129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214570215 + ... + 214828447.

It is an arithmetic number, because the mean of its divisors is an integer number (1471050639720).

Almost surely, 2^{55442452342123} is an apocalyptic number.

55442452342123 is a deficient number, since it is larger than the sum of its proper divisors (15167978364437).

55442452342123 is a wasteful number, since it uses less digits than its factorization.

55442452342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259688 (or 259681 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 46.

Adding to 55442452342123 its reverse (32124325424455), we get a palindrome (87566777766578).

The spelling of 55442452342123 in words is "fifty-five trillion, four hundred forty-two billion, four hundred fifty-two million, three hundred forty-two thousand, one hundred twenty-three".