50512538 has 4 divisors (see below), whose sum is σ = 75768810. Its totient is φ = 25256268.

The previous prime is 50512537. The next prime is 50512541. The reversal of 50512538 is 83521505.

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

It can be written as a sum of positive squares in only one way, i.e., 39904489 + 10608049 = 6317^2 + 3257^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50512538.

It is not an unprimeable number, because it can be changed into a prime (50512537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12628133 + ... + 12628136.

Almost surely, 2^50512538 is an apocalyptic number.

50512538 is a deficient number, since it is larger than the sum of its proper divisors (25256272).

50512538 is a wasteful number, since it uses less digits than its factorization.

50512538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256271.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 50512538 is about 7107.2173176286. The cubic root of 50512538 is about 369.6576770508.

The spelling of 50512538 in words is "fifty million, five hundred twelve thousand, five hundred thirty-eight".