51726025533506 has 8 divisors (see below), whose sum is σ = 79481453868684. Its totient is φ = 25232207577280.

The previous prime is 51726025533499. The next prime is 51726025533541. The reversal of 51726025533506 is 60533552062715.

It can be written as a sum of positive squares in 2 ways, for example, as 51645279196225 + 80746337281 = 7186465^2 + 284159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 315402594635 + ... + 315402594798.

Almost surely, 2^{51726025533506} is an apocalyptic number.

51726025533506 is a deficient number, since it is larger than the sum of its proper divisors (27755428335178).

51726025533506 is a wasteful number, since it uses less digits than its factorization.

51726025533506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630805189476.

The product of its (nonzero) digits is 5670000, while the sum is 50.

The spelling of 51726025533506 in words is "fifty-one trillion, seven hundred twenty-six billion, twenty-five million, five hundred thirty-three thousand, five hundred six".