50513159 has 4 divisors (see below), whose sum is σ = 50547120. Its totient is φ = 50479200.

The previous prime is 50513143. The next prime is 50513161. The reversal of 50513159 is 95131505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50513159 - 2⁴ = 50513143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513119) 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, 14642 + ... + 17759.

It is an arithmetic number, because the mean of its divisors is an integer number (12636780).

Almost surely, 2^50513159 is an apocalyptic number.

50513159 is a deficient number, since it is larger than the sum of its proper divisors (33961).

50513159 is a wasteful number, since it uses less digits than its factorization.

50513159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33960.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 50513159 is about 7107.2610054788. The cubic root of 50513159 is about 369.6591918990.

The spelling of 50513159 in words is "fifty million, five hundred thirteen thousand, one hundred fifty-nine".