50326561 has 4 divisors (see below), whose sum is σ = 50343300. Its totient is φ = 50309824.

The previous prime is 50326543. The next prime is 50326567. The reversal of 50326561 is 16562305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 39137536 = 3345^2 + 6256^2 .

It is a cyclic number.

It is not a de Polignac number, because 50326561 - 2¹³ = 50318369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50326567) 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, 2476 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (12585825).

Almost surely, 2^50326561 is an apocalyptic number.

It is an amenable number.

50326561 is a deficient number, since it is larger than the sum of its proper divisors (16739).

50326561 is a wasteful number, since it uses less digits than its factorization.

50326561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16738.

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

The square root of 50326561 is about 7094.1215805764. The cubic root of 50326561 is about 369.2034507444.

Adding to 50326561 its reverse (16562305), we get a palindrome (66888866).

The spelling of 50326561 in words is "fifty million, three hundred twenty-six thousand, five hundred sixty-one".