51358752050 has 24 divisors (see below), whose sum is σ = 98821325700. Its totient is φ = 19835103680.

The previous prime is 51358752041. The next prime is 51358752061. The reversal of 51358752050 is 5025785315.

It can be written as a sum of positive squares in 6 ways, for example, as 24264604441 + 27094147609 = 155771^2 + 164603^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51358751989 and 51358752007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17708465 + ... + 17711364.

Almost surely, 2^51358752050 is an apocalyptic number.

51358752050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51358752050 is a deficient number, since it is larger than the sum of its proper divisors (47462573650).

51358752050 is a wasteful number, since it uses less digits than its factorization.

51358752050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35419870 (or 35419865 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 51358752050 in words is "fifty-one billion, three hundred fifty-eight million, seven hundred fifty-two thousand, fifty".