55839173385 has 32 divisors (see below), whose sum is σ = 90831829248. Its totient is φ = 29284773120.

The previous prime is 55839173347. The next prime is 55839173441. The reversal of 55839173385 is 58337193855.

It is not a de Polignac number, because 55839173385 - 2¹¹ = 55839171337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5139619 + ... + 5150471.

It is an arithmetic number, because the mean of its divisors is an integer number (2838494664).

Almost surely, 2^55839173385 is an apocalyptic number.

It is an amenable number.

55839173385 is a deficient number, since it is larger than the sum of its proper divisors (34992655863).

55839173385 is a wasteful number, since it uses less digits than its factorization.

55839173385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16545.

The product of its digits is 13608000, while the sum is 57.

The spelling of 55839173385 in words is "fifty-five billion, eight hundred thirty-nine million, one hundred seventy-three thousand, three hundred eighty-five".