50513403 has 8 divisors (see below), whose sum is σ = 67592016. Its totient is φ = 33555200.

The previous prime is 50513387. The next prime is 50513413. The reversal of 50513403 is 30431505.

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 50513403 - 2⁴ = 50513387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50513403.

It is not an unprimeable number, because it can be changed into a prime (50513413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29118 + ... + 30803.

It is an arithmetic number, because the mean of its divisors is an integer number (8449002).

Almost surely, 2^50513403 is an apocalyptic number.

50513403 is a deficient number, since it is larger than the sum of its proper divisors (17078613).

50513403 is a wasteful number, since it uses less digits than its factorization.

50513403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60205.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 50513403 is about 7107.2781710019. The cubic root of 50513403 is about 369.6597871016.

Adding to 50513403 its reverse (30431505), we get a palindrome (80944908).

The spelling of 50513403 in words is "fifty million, five hundred thirteen thousand, four hundred three".