55042001250122 has 8 divisors (see below), whose sum is σ = 84120794363556. Its totient is φ = 27001736462272.

The previous prime is 55042001250091. The next prime is 55042001250149. The reversal of 55042001250122 is 22105210024055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54645049588441 + 396951661681 = 7392229^2 + 630041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259632081263 + ... + 259632081474.

Almost surely, 2^{55042001250122} is an apocalyptic number.

55042001250122 is a deficient number, since it is larger than the sum of its proper divisors (29078793113434).

55042001250122 is a wasteful number, since it uses less digits than its factorization.

55042001250122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519264162792.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 55042001250122 its reverse (22105210024055), we get a palindrome (77147211274177).

The spelling of 55042001250122 in words is "fifty-five trillion, forty-two billion, one million, two hundred fifty thousand, one hundred twenty-two".