51893940734 has 8 divisors (see below), whose sum is σ = 77842130520. Its totient is φ = 25946563896.

The previous prime is 51893940731. The next prime is 51893940797. The reversal of 51893940734 is 43704939815.

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 4964 + ... + 322199.

It is an arithmetic number, because the mean of its divisors is an integer number (9730266315).

Almost surely, 2^51893940734 is an apocalyptic number.

51893940734 is a deficient number, since it is larger than the sum of its proper divisors (25948189786).

51893940734 is a wasteful number, since it uses less digits than its factorization.

51893940734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406474.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 51893940734 in words is "fifty-one billion, eight hundred ninety-three million, nine hundred forty thousand, seven hundred thirty-four".