51756313082475 has 24 divisors (see below), whose sum is σ = 90074144875840. Its totient is φ = 26150558188320.

The previous prime is 51756313082413. The next prime is 51756313082519. The reversal of 51756313082475 is 57428031365715.

It is a happy number.

It is not a de Polignac number, because 51756313082475 - 2¹⁶ = 51756313016939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18160108429 + ... + 18160111278.

Almost surely, 2^{51756313082475} is an apocalyptic number.

51756313082475 is a deficient number, since it is larger than the sum of its proper divisors (38317831793365).

51756313082475 is a wasteful number, since it uses less digits than its factorization.

51756313082475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36320219739 (or 36320219734 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 51756313082475 in words is "fifty-one trillion, seven hundred fifty-six billion, three hundred thirteen million, eighty-two thousand, four hundred seventy-five".