50823989 has 8 divisors (see below), whose sum is σ = 51750720. Its totient is φ = 49902336.

The previous prime is 50823959. The next prime is 50824013. The reversal of 50823989 is 98932805.

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

It is a cyclic number.

It is not a de Polignac number, because 50823989 - 2⁸ = 50823733 is a prime.

It is a super-3 number, since 3×50823989³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50823959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22997 + ... + 25109.

It is an arithmetic number, because the mean of its divisors is an integer number (6468840).

Almost surely, 2^50823989 is an apocalyptic number.

It is an amenable number.

50823989 is a deficient number, since it is larger than the sum of its proper divisors (926731).

50823989 is a wasteful number, since it uses less digits than its factorization.

50823989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 50823989 is about 7129.0945427873. The cubic root of 50823989 is about 370.4158679276.

The spelling of 50823989 in words is "fifty million, eight hundred twenty-three thousand, nine hundred eighty-nine".