50510389 has 2 divisors, whose sum is σ = 50510390. Its totient is φ = 50510388.

The previous prime is 50510381. The next prime is 50510407. The reversal of 50510389 is 98301505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47032164 + 3478225 = 6858^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 50510389 - 2³ = 50510381 is a prime.

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 50510389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50510381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255194 + 25255195.

It is an arithmetic number, because the mean of its divisors is an integer number (25255195).

Almost surely, 2^50510389 is an apocalyptic number.

It is an amenable number.

50510389 is a deficient number, since it is larger than the sum of its proper divisors (1).

50510389 is an equidigital number, since it uses as much as digits as its factorization.

50510389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 50510389 is about 7107.0661316749. The cubic root of 50510389 is about 369.6524347509.

The spelling of 50510389 in words is "fifty million, five hundred ten thousand, three hundred eighty-nine".