51143459376 has 20 divisors (see below), whose sum is σ = 132120603512. Its totient is φ = 17047819776.

The previous prime is 51143459371. The next prime is 51143459407. The reversal of 51143459376 is 67395434115.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1065488737 = 51143459376 / (5 + 1 + 1 + 4 + 3 + 4 + 5 + 9 + 3 + 7 + 6).

It is not an unprimeable number, because it can be changed into a prime (51143459371) 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, 532744321 + ... + 532744416.

Almost surely, 2^51143459376 is an apocalyptic number.

It is an amenable number.

51143459376 is an abundant number, since it is smaller than the sum of its proper divisors (80977144136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51143459376 is a wasteful number, since it uses less digits than its factorization.

51143459376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065488748 (or 1065488742 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The spelling of 51143459376 in words is "fifty-one billion, one hundred forty-three million, four hundred fifty-nine thousand, three hundred seventy-six".