51773798392 has 8 divisors (see below), whose sum is σ = 97075872000. Its totient is φ = 25886899192.

The previous prime is 51773798371. The next prime is 51773798429. The reversal of 51773798392 is 29389737715.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 51773798392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235862392 + ... + 3235862407.

It is an arithmetic number, because the mean of its divisors is an integer number (12134484000).

Almost surely, 2^51773798392 is an apocalyptic number.

It is an amenable number.

51773798392 is a deficient number, since it is larger than the sum of its proper divisors (45302073608).

51773798392 is a wasteful number, since it uses less digits than its factorization.

51773798392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471724805 (or 6471724801 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 61.

The spelling of 51773798392 in words is "fifty-one billion, seven hundred seventy-three million, seven hundred ninety-eight thousand, three hundred ninety-two".