50503853 has 4 divisors (see below), whose sum is σ = 51868860. Its totient is φ = 49138848.

The previous prime is 50503847. The next prime is 50503879. The reversal of 50503853 is 35830505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47637604 + 2866249 = 6902^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 50503853 - 2¹⁴ = 50487469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50503813) 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, 682448 + ... + 682521.

It is an arithmetic number, because the mean of its divisors is an integer number (12967215).

Almost surely, 2^50503853 is an apocalyptic number.

It is an amenable number.

50503853 is a deficient number, since it is larger than the sum of its proper divisors (1365007).

50503853 is a wasteful number, since it uses less digits than its factorization.

50503853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365006.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 50503853 is about 7106.6062927392. The cubic root of 50503853 is about 369.6364898296.

The spelling of 50503853 in words is "fifty million, five hundred three thousand, eight hundred fifty-three".