51535746575 has 12 divisors (see below), whose sum is σ = 63924898128. Its totient is φ = 41215324800.

The previous prime is 51535746557. The next prime is 51535746601. The reversal of 51535746575 is 57564753515.

It is not a de Polignac number, because 51535746575 - 2¹⁸ = 51535484431 is a prime.

It is a super-3 number, since 3×51535746575³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252227 + ... + 408276.

It is an arithmetic number, because the mean of its divisors is an integer number (5327074844).

Almost surely, 2^51535746575 is an apocalyptic number.

51535746575 is a deficient number, since it is larger than the sum of its proper divisors (12389151553).

51535746575 is a wasteful number, since it uses less digits than its factorization.

51535746575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663634 (or 663629 counting only the distinct ones).

The product of its digits is 11025000, while the sum is 53.

The spelling of 51535746575 in words is "fifty-one billion, five hundred thirty-five million, seven hundred forty-six thousand, five hundred seventy-five".