50099591 has 4 divisors (see below), whose sum is σ = 51453672. Its totient is φ = 48745512.

The previous prime is 50099579. The next prime is 50099593. The reversal of 50099591 is 19599005.

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-50099591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50099593) 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, 676985 + ... + 677058.

It is an arithmetic number, because the mean of its divisors is an integer number (12863418).

Almost surely, 2^50099591 is an apocalyptic number.

50099591 is a deficient number, since it is larger than the sum of its proper divisors (1354081).

50099591 is a wasteful number, since it uses less digits than its factorization.

50099591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354080.

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 50099591 is about 7078.1064558256. The cubic root of 50099591 is about 368.6475852327.

The spelling of 50099591 in words is "fifty million, ninety-nine thousand, five hundred ninety-one".