51631874750 has 16 divisors (see below), whose sum is σ = 96654870000. Its totient is φ = 20652749800.

The previous prime is 51631874719. The next prime is 51631874753. The reversal of 51631874750 is 5747813615.

It is a junction number, because it is equal to n+sod(n) for n = 51631874695 and 51631874704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51631874753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103263500 + ... + 103263999.

It is an arithmetic number, because the mean of its divisors is an integer number (6040929375).

Almost surely, 2^51631874750 is an apocalyptic number.

51631874750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51631874750 is a deficient number, since it is larger than the sum of its proper divisors (45022995250).

51631874750 is a wasteful number, since it uses less digits than its factorization.

51631874750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206527516 (or 206527506 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 51631874750 in words is "fifty-one billion, six hundred thirty-one million, eight hundred seventy-four thousand, seven hundred fifty".