51793018043 has 4 divisors (see below), whose sum is σ = 55777096368. Its totient is φ = 47808939720.

The previous prime is 51793018033. The next prime is 51793018087. The reversal of 51793018043 is 34081039715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34081039715 = 5 ⋅6816207943.

It is a cyclic number.

It is not a de Polignac number, because 51793018043 - 2²⁸ = 51524582587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51793018033) 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, 1992039143 + ... + 1992039168.

It is an arithmetic number, because the mean of its divisors is an integer number (13944274092).

Almost surely, 2^51793018043 is an apocalyptic number.

51793018043 is a deficient number, since it is larger than the sum of its proper divisors (3984078325).

51793018043 is a wasteful number, since it uses less digits than its factorization.

51793018043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984078324.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 51793018043 in words is "fifty-one billion, seven hundred ninety-three million, eighteen thousand, forty-three".