51375165305476 has 12 divisors (see below), whose sum is σ = 89906589546508. Its totient is φ = 25687568292192.

The previous prime is 51375165305459. The next prime is 51375165305479. The reversal of 51375165305476 is 67450356157315.

It can be written as a sum of positive squares in 2 ways, for example, as 40215383233600 + 11159782071876 = 6341560^2 + 3340626^2 .

It is a super-2 number, since 2×51375165305476² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51375165305476.

It is not an unprimeable number, because it can be changed into a prime (51375165305479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11607790 + ... + 15410746.

Almost surely, 2^{51375165305476} is an apocalyptic number.

It is an amenable number.

51375165305476 is a deficient number, since it is larger than the sum of its proper divisors (38531424241032).

51375165305476 is a wasteful number, since it uses less digits than its factorization.

51375165305476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180278 (or 7180276 counting only the distinct ones).

The product of its (nonzero) digits is 39690000, while the sum is 58.

The spelling of 51375165305476 in words is "fifty-one trillion, three hundred seventy-five billion, one hundred sixty-five million, three hundred five thousand, four hundred seventy-six".