50543009 has 4 divisors (see below), whose sum is σ = 55137840. Its totient is φ = 45948180.

The previous prime is 50542981. The next prime is 50543039. The reversal of 50543009 is 90034505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50543009 - 2¹⁶ = 50477473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50543039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297399 + ... + 2297420.

It is an arithmetic number, because the mean of its divisors is an integer number (13784460).

Almost surely, 2^50543009 is an apocalyptic number.

It is an amenable number.

50543009 is a deficient number, since it is larger than the sum of its proper divisors (4594831).

50543009 is a wasteful number, since it uses less digits than its factorization.

50543009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594830.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 50543009 is about 7109.3606604251. The cubic root of 50543009 is about 369.7319924278.

The spelling of 50543009 in words is "fifty million, five hundred forty-three thousand, nine".