50620639 has 2 divisors, whose sum is σ = 50620640. Its totient is φ = 50620638.

The previous prime is 50620637. The next prime is 50620673. The reversal of 50620639 is 93602605.

50620639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50620639 - 2¹ = 50620637 is a prime.

Together with 50620637, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50620639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50620637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25310319 + 25310320.

It is an arithmetic number, because the mean of its divisors is an integer number (25310320).

Almost surely, 2^50620639 is an apocalyptic number.

50620639 is a deficient number, since it is larger than the sum of its proper divisors (1).

50620639 is an equidigital number, since it uses as much as digits as its factorization.

50620639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 50620639 is about 7114.8182689370. The cubic root of 50620639 is about 369.9211884733.

The spelling of 50620639 in words is "fifty million, six hundred twenty thousand, six hundred thirty-nine".