50390811 has 6 divisors (see below), whose sum is σ = 72786740. Its totient is φ = 33593868.

The previous prime is 50390803. The next prime is 50390833. The reversal of 50390811 is 11809305.

It is not a de Polignac number, because 50390811 - 2³ = 50390803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50390801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2799481 + ... + 2799498.

Almost surely, 2^50390811 is an apocalyptic number.

50390811 is a deficient number, since it is larger than the sum of its proper divisors (22395929).

50390811 is a wasteful number, since it uses less digits than its factorization.

50390811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598985 (or 5598982 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 50390811 is about 7098.6485333477. The cubic root of 50390811 is about 369.3604999161.

The spelling of 50390811 in words is "fifty million, three hundred ninety thousand, eight hundred eleven".