50864489 has 8 divisors (see below), whose sum is σ = 54840072. Its totient is φ = 46897920.

The previous prime is 50864447. The next prime is 50864497. The reversal of 50864489 is 98446805.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20976400 + 29888089 = 4580^2 + 5467^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50864489 is a prime.

It is a super-2 number, since 2×50864489² = 5174392482462242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50864419) 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, 13697 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (6855009).

Almost surely, 2^50864489 is an apocalyptic number.

It is an amenable number.

50864489 is a deficient number, since it is larger than the sum of its proper divisors (3975583).

50864489 is a wasteful number, since it uses less digits than its factorization.

50864489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 50864489 is about 7131.9344500633. The cubic root of 50864489 is about 370.5142326295.

The spelling of 50864489 in words is "fifty million, eight hundred sixty-four thousand, four hundred eighty-nine".