50133809 has 6 divisors (see below), whose sum is σ = 55105890. Its totient is φ = 45576080.

The previous prime is 50133803. The next prime is 50133821. The reversal of 50133809 is 90833105.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 3621409 = 6820^2 + 1903^2 .

It is not a de Polignac number, because 50133809 - 2⁴ = 50133793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50133803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207044 + ... + 207285.

It is an arithmetic number, because the mean of its divisors is an integer number (9184315).

Almost surely, 2^50133809 is an apocalyptic number.

It is an amenable number.

50133809 is a deficient number, since it is larger than the sum of its proper divisors (4972081).

50133809 is a wasteful number, since it uses less digits than its factorization.

50133809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414351 (or 414340 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50133809 is about 7080.5232151304. The cubic root of 50133809 is about 368.7314948484.

The spelling of 50133809 in words is "fifty million, one hundred thirty-three thousand, eight hundred nine".