50563231 has 4 divisors (see below), whose sum is σ = 51255952. Its totient is φ = 49870512.

The previous prime is 50563217. The next prime is 50563241. The reversal of 50563231 is 13236505.

It is a happy number.

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-50563231 is a prime.

It is a super-2 number, since 2×50563231² = 5113280658318722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50563196 and 50563205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50563241) 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, 346251 + ... + 346396.

It is an arithmetic number, because the mean of its divisors is an integer number (12813988).

Almost surely, 2^50563231 is an apocalyptic number.

50563231 is a deficient number, since it is larger than the sum of its proper divisors (692721).

50563231 is an equidigital number, since it uses as much as digits as its factorization.

50563231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692720.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 50563231 is about 7110.7827276609. The cubic root of 50563231 is about 369.7812951477.

Adding to 50563231 its reverse (13236505), we get a palindrome (63799736).

It can be divided in two parts, 505 and 63231, that added together give a palindrome (63736).

The spelling of 50563231 in words is "fifty million, five hundred sixty-three thousand, two hundred thirty-one".