51507882484 has 12 divisors (see below), whose sum is σ = 92574978244. Its totient is φ = 25057888704.

The previous prime is 51507882449. The next prime is 51507882523. The reversal of 51507882484 is 48428870515.

It can be written as a sum of positive squares in 2 ways, for example, as 45552364900 + 5955517584 = 213430^2 + 77172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174012969 + ... + 174013264.

Almost surely, 2^51507882484 is an apocalyptic number.

It is an amenable number.

51507882484 is a deficient number, since it is larger than the sum of its proper divisors (41067095760).

51507882484 is a wasteful number, since it uses less digits than its factorization.

51507882484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348026274 (or 348026272 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 51507882484 in words is "fifty-one billion, five hundred seven million, eight hundred eighty-two thousand, four hundred eighty-four".