51072764503 has 16 divisors (see below), whose sum is σ = 55826517600. Its totient is φ = 46557918720.

The previous prime is 51072764497. The next prime is 51072764521. The reversal of 51072764503 is 30546727015.

51072764503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51072764503 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 (51072764203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392188 + ... + 505921.

It is an arithmetic number, because the mean of its divisors is an integer number (3489157350).

Almost surely, 2^51072764503 is an apocalyptic number.

51072764503 is a deficient number, since it is larger than the sum of its proper divisors (4753753097).

51072764503 is a wasteful number, since it uses less digits than its factorization.

51072764503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898242.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 51072764503 in words is "fifty-one billion, seventy-two million, seven hundred sixty-four thousand, five hundred three".