51733077673 has 4 divisors (see below), whose sum is σ = 51737101200. Its totient is φ = 51729054148.

The previous prime is 51733077637. The next prime is 51733077677. The reversal of 51733077673 is 37677033715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51733077673 is a prime.

It is a super-4 number, since 4×51733077673⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51733077677) 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, 1992415 + ... + 2018212.

It is an arithmetic number, because the mean of its divisors is an integer number (12934275300).

Almost surely, 2^51733077673 is an apocalyptic number.

It is an amenable number.

51733077673 is a deficient number, since it is larger than the sum of its proper divisors (4023527).

51733077673 is a wasteful number, since it uses less digits than its factorization.

51733077673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023526.

The product of its (nonzero) digits is 1944810, while the sum is 49.

The spelling of 51733077673 in words is "fifty-one billion, seven hundred thirty-three million, seventy-seven thousand, six hundred seventy-three".