50503405 has 8 divisors (see below), whose sum is σ = 60831000. Its totient is φ = 40251456.

The previous prime is 50503399. The next prime is 50503451. The reversal of 50503405 is 50430505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 50381604 = 349^2 + 7098^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50503405 - 2¹¹ = 50501357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17430 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (7603875).

Almost surely, 2^50503405 is an apocalyptic number.

It is an amenable number.

50503405 is a deficient number, since it is larger than the sum of its proper divisors (10327595).

50503405 is a wasteful number, since it uses less digits than its factorization.

50503405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37823.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 50503405 is about 7106.5747727017. The cubic root of 50503405 is about 369.6353968593.

Subtracting from 50503405 its reverse (50430505), we obtain a square (72900 = 270²).

The spelling of 50503405 in words is "fifty million, five hundred three thousand, four hundred five".