51754793864 has 32 divisors (see below), whose sum is σ = 98705390400. Its totient is φ = 25433538240.

The previous prime is 51754793819. The next prime is 51754793879. The reversal of 51754793864 is 46839745715.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294749 + ... + 3310419.

It is an arithmetic number, because the mean of its divisors is an integer number (3084543450).

Almost surely, 2^51754793864 is an apocalyptic number.

It is an amenable number.

51754793864 is a deficient number, since it is larger than the sum of its proper divisors (46950596536).

51754793864 is a wasteful number, since it uses less digits than its factorization.

51754793864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22733 (or 22729 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The spelling of 51754793864 in words is "fifty-one billion, seven hundred fifty-four million, seven hundred ninety-three thousand, eight hundred sixty-four".