50120639 has 2 divisors, whose sum is σ = 50120640. Its totient is φ = 50120638.

The previous prime is 50120627. The next prime is 50120647. The reversal of 50120639 is 93602105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50120639 - 2²⁰ = 49072063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50120039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25060319 + 25060320.

It is an arithmetic number, because the mean of its divisors is an integer number (25060320).

Almost surely, 2^50120639 is an apocalyptic number.

50120639 is a deficient number, since it is larger than the sum of its proper divisors (1).

50120639 is an equidigital number, since it uses as much as digits as its factorization.

50120639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 50120639 is about 7079.5931380271. The cubic root of 50120639 is about 368.6992038045.

The spelling of 50120639 in words is "fifty million, one hundred twenty thousand, six hundred thirty-nine".