50581440898 has 8 divisors (see below), whose sum is σ = 75891967308. Its totient is φ = 25284118464.

The previous prime is 50581440869. The next prime is 50581440907. The reversal of 50581440898 is 89804418505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48768980569 + 1812460329 = 220837^2 + 42573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3291411 + ... + 3306742.

Almost surely, 2^50581440898 is an apocalyptic number.

50581440898 is a deficient number, since it is larger than the sum of its proper divisors (25310526410).

50581440898 is a wasteful number, since it uses less digits than its factorization.

50581440898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601988.

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 50581440898 in words is "fifty billion, five hundred eighty-one million, four hundred forty thousand, eight hundred ninety-eight".