50020390 has 16 divisors (see below), whose sum is σ = 102899232. Its totient is φ = 17149824.

The previous prime is 50020387. The next prime is 50020433. The reversal of 50020390 is 9302005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357219 + ... + 357358.

It is an arithmetic number, because the mean of its divisors is an integer number (6431202).

Almost surely, 2^50020390 is an apocalyptic number.

50020390 is an abundant number, since it is smaller than the sum of its proper divisors (52878842).

50020390 is a wasteful number, since it uses less digits than its factorization.

50020390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714591.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 50020390 is about 7072.5094556317. The cubic root of 50020390 is about 368.4532213264.

Adding to 50020390 its reverse (9302005), we get a palindrome (59322395).

The spelling of 50020390 in words is "fifty million, twenty thousand, three hundred ninety".