50520431 has 4 divisors (see below), whose sum is σ = 54406632. Its totient is φ = 46634232.

The previous prime is 50520419. The next prime is 50520451. The reversal of 50520431 is 13402505.

50520431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50520431 is a prime.

It is a super-2 number, since 2×50520431² = 5104627896851522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50520451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943081 + ... + 1943106.

It is an arithmetic number, because the mean of its divisors is an integer number (13601658).

Almost surely, 2^50520431 is an apocalyptic number.

50520431 is a deficient number, since it is larger than the sum of its proper divisors (3886201).

50520431 is a wasteful number, since it uses less digits than its factorization.

50520431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886200.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50520431 is about 7107.7725765531. The cubic root of 50520431 is about 369.6769300667.

Adding to 50520431 its reverse (13402505), we get a palindrome (63922936).

The spelling of 50520431 in words is "fifty million, five hundred twenty thousand, four hundred thirty-one".