50513629 has 4 divisors (see below), whose sum is σ = 50736384. Its totient is φ = 50290876.

The previous prime is 50513597. The next prime is 50513653. The reversal of 50513629 is 92631505.

50513629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50513629 - 2⁵ = 50513597 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50513629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111037 + ... + 111490.

It is an arithmetic number, because the mean of its divisors is an integer number (12684096).

Almost surely, 2^50513629 is an apocalyptic number.

It is an amenable number.

50513629 is a deficient number, since it is larger than the sum of its proper divisors (222755).

50513629 is a wasteful number, since it uses less digits than its factorization.

50513629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222754.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 50513629 is about 7107.2940701789. The cubic root of 50513629 is about 369.6603383942.

The spelling of 50513629 in words is "fifty million, five hundred thirteen thousand, six hundred twenty-nine".