53305255173138 has 16 divisors (see below), whose sum is σ = 106610736552960. Its totient is φ = 17768380689936.

The previous prime is 53305255173097. The next prime is 53305255173173. The reversal of 53305255173138 is 83137155250335.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6281170 + ... + 12085677.

It is an arithmetic number, because the mean of its divisors is an integer number (6663171034560).

Almost surely, 2^{53305255173138} is an apocalyptic number.

53305255173138 is an abundant number, since it is smaller than the sum of its proper divisors (53305481379822).

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

53305255173138 is a wasteful number, since it uses less digits than its factorization.

53305255173138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18850561.

The product of its (nonzero) digits is 5670000, while the sum is 51.

The spelling of 53305255173138 in words is "fifty-three trillion, three hundred five billion, two hundred fifty-five million, one hundred seventy-three thousand, one hundred thirty-eight".