50231261 has 4 divisors (see below), whose sum is σ = 50245500. Its totient is φ = 50217024.

The previous prime is 50231249. The next prime is 50231299. The reversal of 50231261 is 16213205.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 41344900 + 8886361 = 6430^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 50231261 - 2⁶ = 50231197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50236261) 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, 2555 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (12561375).

Almost surely, 2^50231261 is an apocalyptic number.

It is an amenable number.

50231261 is a deficient number, since it is larger than the sum of its proper divisors (14239).

50231261 is an equidigital number, since it uses as much as digits as its factorization.

50231261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14238.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 50231261 is about 7087.4015689814. The cubic root of 50231261 is about 368.9702582991.

Adding to 50231261 its reverse (16213205), we get a palindrome (66444466).

The spelling of 50231261 in words is "fifty million, two hundred thirty-one thousand, two hundred sixty-one".