50895581 has 4 divisors (see below), whose sum is σ = 55522464. Its totient is φ = 46268700.

The previous prime is 50895557. The next prime is 50895589. The reversal of 50895581 is 18559805.

50895581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-50895581 is a prime.

It is a super-2 number, since 2×50895581² = 5180720330655122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50895589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313425 + ... + 2313446.

It is an arithmetic number, because the mean of its divisors is an integer number (13880616).

Almost surely, 2^50895581 is an apocalyptic number.

It is an amenable number.

50895581 is a deficient number, since it is larger than the sum of its proper divisors (4626883).

50895581 is a wasteful number, since it uses less digits than its factorization.

50895581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626882.

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 50895581 is about 7134.1138903160. The cubic root of 50895581 is about 370.5897121521.

The spelling of 50895581 in words is "fifty million, eight hundred ninety-five thousand, five hundred eighty-one".