51737454320612 has 24 divisors (see below), whose sum is σ = 90853468570200. Its totient is φ = 25779411542016.

The previous prime is 51737454320557. The next prime is 51737454320659. The reversal of 51737454320612 is 21602345473715.

It can be written as a sum of positive squares in 4 ways, for example, as 37101060652096 + 14636393668516 = 6091064^2 + 3825754^2 .

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, 9114437 + ... + 13658252.

It is an arithmetic number, because the mean of its divisors is an integer number (3785561190425).

Almost surely, 2^{51737454320612} is an apocalyptic number.

It is an amenable number.

51737454320612 is a deficient number, since it is larger than the sum of its proper divisors (39116014249588).

51737454320612 is a wasteful number, since it uses less digits than its factorization.

51737454320612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774655 (or 22774653 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 51737454320612 in words is "fifty-one trillion, seven hundred thirty-seven billion, four hundred fifty-four million, three hundred twenty thousand, six hundred twelve".