51610173044 has 24 divisors (see below), whose sum is σ = 95790340800. Its totient is φ = 24246574976.

The previous prime is 51610172923. The next prime is 51610173073. The reversal of 51610173044 is 44037101615.

It is a self number, because there is not a number n which added to its sum of digits gives 51610173044.

It is a congruent number.

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, 592802 + ... + 674265.

It is an arithmetic number, because the mean of its divisors is an integer number (3991264200).

Almost surely, 2^51610173044 is an apocalyptic number.

It is an amenable number.

51610173044 is a deficient number, since it is larger than the sum of its proper divisors (44180167756).

51610173044 is a wasteful number, since it uses less digits than its factorization.

51610173044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267687 (or 1267685 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 51610173044 its reverse (44037101615), we get a palindrome (95647274659).

The spelling of 51610173044 in words is "fifty-one billion, six hundred ten million, one hundred seventy-three thousand, forty-four".