51738854264 has 8 divisors (see below), whose sum is σ = 97010351760. Its totient is φ = 25869427128.

The previous prime is 51738854261. The next prime is 51738854287. The reversal of 51738854264 is 46245883715.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51738854261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3233678384 + ... + 3233678399.

It is an arithmetic number, because the mean of its divisors is an integer number (12126293970).

Almost surely, 2^51738854264 is an apocalyptic number.

It is an amenable number.

51738854264 is a deficient number, since it is larger than the sum of its proper divisors (45271497496).

51738854264 is a wasteful number, since it uses less digits than its factorization.

51738854264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467356789 (or 6467356785 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The spelling of 51738854264 in words is "fifty-one billion, seven hundred thirty-eight million, eight hundred fifty-four thousand, two hundred sixty-four".