51335954375 has 10 divisors (see below), whose sum is σ = 64149409368. Its totient is φ = 41068763000.

The previous prime is 51335954359. The next prime is 51335954377. The reversal of 51335954375 is 57345953315.

It is not a de Polignac number, because 51335954375 - 2⁴ = 51335954359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51335954377) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41068139 + ... + 41069388.

Almost surely, 2^51335954375 is an apocalyptic number.

51335954375 is a deficient number, since it is larger than the sum of its proper divisors (12813454993).

51335954375 is an frugal number, since it uses more digits than its factorization.

51335954375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82137547 (or 82137532 counting only the distinct ones).

The product of its digits is 4252500, while the sum is 50.

The spelling of 51335954375 in words is "fifty-one billion, three hundred thirty-five million, nine hundred fifty-four thousand, three hundred seventy-five".