50543409 has 32 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 28123200.

The previous prime is 50543407. The next prime is 50543411. The reversal of 50543409 is 90434505.

It is an interprime number because it is at equal distance from previous prime (50543407) and next prime (50543411).

It is not a de Polignac number, because 50543409 - 2¹ = 50543407 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50543407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162364 + ... + 162674.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^50543409 is an apocalyptic number.

It is an amenable number.

50543409 is a deficient number, since it is larger than the sum of its proper divisors (28529871).

50543409 is a wasteful number, since it uses less digits than its factorization.

50543409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 50543409 is about 7109.3887922943. The cubic root of 50543409 is about 369.7329677846.

The spelling of 50543409 in words is "fifty million, five hundred forty-three thousand, four hundred nine".