50290431 has 4 divisors (see below), whose sum is σ = 67053912. Its totient is φ = 33526952.

The previous prime is 50290421. The next prime is 50290433. The reversal of 50290431 is 13409205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50290431 - 2⁶ = 50290367 is a prime.

It is a super-2 number, since 2×50290431² = 5058254900331522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50290433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8381736 + ... + 8381741.

It is an arithmetic number, because the mean of its divisors is an integer number (16763478).

Almost surely, 2^50290431 is an apocalyptic number.

50290431 is a deficient number, since it is larger than the sum of its proper divisors (16763481).

50290431 is a wasteful number, since it uses less digits than its factorization.

50290431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16763480.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 50290431 is about 7091.5746488351. The cubic root of 50290431 is about 369.1150778333.

Adding to 50290431 its reverse (13409205), we get a palindrome (63699636).

It can be divided in two parts, 50290 and 431, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 50290431 in words is "fifty million, two hundred ninety thousand, four hundred thirty-one".