51893940733 has 8 divisors (see below), whose sum is σ = 56224352448. Its totient is φ = 47705509824.

The previous prime is 51893940731. The next prime is 51893940797. The reversal of 51893940733 is 33704939815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51893940733 - 2¹ = 51893940731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51893940731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35494441 + ... + 35495902.

It is an arithmetic number, because the mean of its divisors is an integer number (7028044056).

Almost surely, 2^51893940733 is an apocalyptic number.

It is an amenable number.

51893940733 is a deficient number, since it is larger than the sum of its proper divisors (4330411715).

51893940733 is a wasteful number, since it uses less digits than its factorization.

51893940733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70990403.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 51893940733 in words is "fifty-one billion, eight hundred ninety-three million, nine hundred forty thousand, seven hundred thirty-three".