50812691 has 4 divisors (see below), whose sum is σ = 51015384. Its totient is φ = 50610000.

The previous prime is 50812679. The next prime is 50812739. The reversal of 50812691 is 19621805.

50812691 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 a de Polignac number, because none of the positive numbers 2^k-50812691 is a prime.

It is a super-2 number, since 2×50812691² = 5163859133322962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50812621) 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, 100970 + ... + 101471.

It is an arithmetic number, because the mean of its divisors is an integer number (12753846).

Almost surely, 2^50812691 is an apocalyptic number.

50812691 is a deficient number, since it is larger than the sum of its proper divisors (202693).

50812691 is a wasteful number, since it uses less digits than its factorization.

50812691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202692.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 50812691 is about 7128.3021120040. The cubic root of 50812691 is about 370.3884184974.

The spelling of 50812691 in words is "fifty million, eight hundred twelve thousand, six hundred ninety-one".