50837513 has 2 divisors, whose sum is σ = 50837514. Its totient is φ = 50837512.

The previous prime is 50837477. The next prime is 50837537. The reversal of 50837513 is 31573805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 4963984 = 6773^2 + 2228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50837513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50837513.

It is not a weakly prime, because it can be changed into another prime (50837573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25418756 + 25418757.

It is an arithmetic number, because the mean of its divisors is an integer number (25418757).

Almost surely, 2^50837513 is an apocalyptic number.

It is an amenable number.

50837513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50837513 is an equidigital number, since it uses as much as digits as its factorization.

50837513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 50837513 is about 7130.0429872477. The cubic root of 50837513 is about 370.4487202612.

The spelling of 50837513 in words is "fifty million, eight hundred thirty-seven thousand, five hundred thirteen".