50045989 has 8 divisors (see below), whose sum is σ = 57326400. Its totient is φ = 42798336.

The previous prime is 50045987. The next prime is 50046013. The reversal of 50045989 is 98954005.

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

It is not a de Polignac number, because 50045989 - 2¹ = 50045987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50045987) 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, 4819 + ... + 11104.

It is an arithmetic number, because the mean of its divisors is an integer number (7165800).

Almost surely, 2^50045989 is an apocalyptic number.

It is an amenable number.

50045989 is a deficient number, since it is larger than the sum of its proper divisors (7280411).

50045989 is a wasteful number, since it uses less digits than its factorization.

50045989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16379.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 50045989 is about 7074.3189778239. The cubic root of 50045989 is about 368.5160652017.

The spelling of 50045989 in words is "fifty million, forty-five thousand, nine hundred eighty-nine".