51433917337 has 12 divisors (see below), whose sum is σ = 56573904100. Its totient is φ = 46725766560.

The previous prime is 51433917329. The next prime is 51433917361. The reversal of 51433917337 is 73371933415.

It can be written as a sum of positive squares in 2 ways, for example, as 39886480656 + 11547436681 = 199716^2 + 107459^2 .

It is not a de Polignac number, because 51433917337 - 2³ = 51433917329 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51433917317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29539 + ... + 322087.

Almost surely, 2^51433917337 is an apocalyptic number.

It is an amenable number.

51433917337 is a deficient number, since it is larger than the sum of its proper divisors (5139986763).

51433917337 is a wasteful number, since it uses less digits than its factorization.

51433917337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294024 (or 294013 counting only the distinct ones).

The product of its digits is 714420, while the sum is 46.

The spelling of 51433917337 in words is "fifty-one billion, four hundred thirty-three million, nine hundred seventeen thousand, three hundred thirty-seven".