50513807 has 4 divisors (see below), whose sum is σ = 50573880. Its totient is φ = 50453736.

The previous prime is 50513803. The next prime is 50513833. The reversal of 50513807 is 70831505.

50513807 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.

It is a cyclic number.

It is not a de Polignac number, because 50513807 - 2² = 50513803 is a prime.

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 50513807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513803) 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, 28757 + ... + 30462.

It is an arithmetic number, because the mean of its divisors is an integer number (12643470).

Almost surely, 2^50513807 is an apocalyptic number.

50513807 is a deficient number, since it is larger than the sum of its proper divisors (60073).

50513807 is an equidigital number, since it uses as much as digits as its factorization.

50513807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60072.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 50513807 is about 7107.3065925145. The cubic root of 50513807 is about 369.6607725969.

The spelling of 50513807 in words is "fifty million, five hundred thirteen thousand, eight hundred seven".