50515453 has 4 divisors (see below), whose sum is σ = 51015708. Its totient is φ = 50015200.

The previous prime is 50515447. The next prime is 50515457. The reversal of 50515453 is 35451505.

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 27060804 + 23454649 = 5202^2 + 4843^2 .

It is not a de Polignac number, because 50515453 - 2⁹ = 50514941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50515457) 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, 249976 + ... + 250177.

It is an arithmetic number, because the mean of its divisors is an integer number (12753927).

Almost surely, 2^50515453 is an apocalyptic number.

It is an amenable number.

50515453 is a deficient number, since it is larger than the sum of its proper divisors (500255).

50515453 is a wasteful number, since it uses less digits than its factorization.

50515453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500254.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 50515453 is about 7107.4223878984. The cubic root of 50515453 is about 369.6647877039.

Adding to 50515453 its reverse (35451505), we get a palindrome (85966958).

The spelling of 50515453 in words is "fifty million, five hundred fifteen thousand, four hundred fifty-three".