50563261 has 4 divisors (see below), whose sum is σ = 57786592. Its totient is φ = 43339932.

The previous prime is 50563241. The next prime is 50563297. The reversal of 50563261 is 16236505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50563261 - 2⁷ = 50563133 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 (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, 3611655 + ... + 3611668.

It is an arithmetic number, because the mean of its divisors is an integer number (14446648).

Almost surely, 2^50563261 is an apocalyptic number.

It is an amenable number.

50563261 is a deficient number, since it is larger than the sum of its proper divisors (7223331).

50563261 is an equidigital number, since it uses as much as digits as its factorization.

50563261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223330.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50563261 is about 7110.7848371330. The cubic root of 50563261 is about 369.7813682801.

Adding to 50563261 its reverse (16236505), we get a palindrome (66799766).

The spelling of 50563261 in words is "fifty million, five hundred sixty-three thousand, two hundred sixty-one".