50404691 has 4 divisors (see below), whose sum is σ = 50510400. Its totient is φ = 50298984.

The previous prime is 50404687. The next prime is 50404721. The reversal of 50404691 is 19640405.

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 50404691 - 2² = 50404687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50404631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52136 + ... + 53093.

It is an arithmetic number, because the mean of its divisors is an integer number (12627600).

Almost surely, 2^50404691 is an apocalyptic number.

50404691 is a deficient number, since it is larger than the sum of its proper divisors (105709).

50404691 is a wasteful number, since it uses less digits than its factorization.

50404691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105708.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 50404691 is about 7099.6261169163. The cubic root of 50404691 is about 369.3944098889.

The spelling of 50404691 in words is "fifty million, four hundred four thousand, six hundred ninety-one".