51795919923 has 16 divisors (see below), whose sum is σ = 79771257216. Its totient is φ = 29544909440.

The previous prime is 51795919921. The next prime is 51795919933. The reversal of 51795919923 is 32991959715.

It is a cyclic number.

It is not a de Polignac number, because 51795919923 - 2¹ = 51795919921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51795919921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46163361 + ... + 46164482.

It is an arithmetic number, because the mean of its divisors is an integer number (4985703576).

Almost surely, 2^51795919923 is an apocalyptic number.

51795919923 is a deficient number, since it is larger than the sum of its proper divisors (27975337293).

51795919923 is a wasteful number, since it uses less digits than its factorization.

51795919923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92327874.

The product of its digits is 6889050, while the sum is 60.

The spelling of 51795919923 in words is "fifty-one billion, seven hundred ninety-five million, nine hundred nineteen thousand, nine hundred twenty-three".