50989898905 has 8 divisors (see below), whose sum is σ = 66750413184. Its totient is φ = 37083562800.

The previous prime is 50989898881. The next prime is 50989899001.

It is a happy number.

50989898905 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 50989898905 - 2¹³ = 50989890713 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463544481 + ... + 463544590.

It is an arithmetic number, because the mean of its divisors is an integer number (8343801648).

Almost surely, 2^50989898905 is an apocalyptic number.

50989898905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50989898905 is a deficient number, since it is larger than the sum of its proper divisors (15760514279).

50989898905 is a wasteful number, since it uses less digits than its factorization.

50989898905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927089087.

The product of its (nonzero) digits is 83980800, while the sum is 70.

The spelling of 50989898905 in words is "fifty billion, nine hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred five".