50325561 has 24 divisors (see below), whose sum is σ = 85403136. Its totient is φ = 28153440.

The previous prime is 50325557. The next prime is 50325563. The reversal of 50325561 is 16552305.

It is not a de Polignac number, because 50325561 - 2² = 50325557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50325563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18265 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (3558464).

Almost surely, 2^50325561 is an apocalyptic number.

It is an amenable number.

50325561 is a deficient number, since it is larger than the sum of its proper divisors (35077575).

50325561 is a wasteful number, since it uses less digits than its factorization.

50325561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39133 (or 39130 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 50325561 is about 7094.0510993367. The cubic root of 50325561 is about 369.2010053432.

Adding to 50325561 its reverse (16552305), we get a palindrome (66877866).

The spelling of 50325561 in words is "fifty million, three hundred twenty-five thousand, five hundred sixty-one".