50532409 has 4 divisors (see below), whose sum is σ = 50546916. Its totient is φ = 50517904.

The previous prime is 50532401. The next prime is 50532431. The reversal of 50532409 is 90423505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16426809 + 34105600 = 4053^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 50532409 - 2³ = 50532401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50532401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (12636729).

Almost surely, 2^50532409 is an apocalyptic number.

It is an amenable number.

50532409 is a deficient number, since it is larger than the sum of its proper divisors (14507).

50532409 is an equidigital number, since it uses as much as digits as its factorization.

50532409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14506.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50532409 is about 7108.6151253250. The cubic root of 50532409 is about 369.7061435966.

The spelling of 50532409 in words is "fifty million, five hundred thirty-two thousand, four hundred nine".