50512643 has 2 divisors, whose sum is σ = 50512644. Its totient is φ = 50512642.

The previous prime is 50512633. The next prime is 50512681. The reversal of 50512643 is 34621505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50512643 - 2¹⁰ = 50511619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50512603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25256321 + 25256322.

It is an arithmetic number, because the mean of its divisors is an integer number (25256322).

Almost surely, 2^50512643 is an apocalyptic number.

50512643 is a deficient number, since it is larger than the sum of its proper divisors (1).

50512643 is an equidigital number, since it uses as much as digits as its factorization.

50512643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50512643 is about 7107.2247044821. The cubic root of 50512643 is about 369.6579331854.

The spelling of 50512643 in words is "fifty million, five hundred twelve thousand, six hundred forty-three".