50901109 has 4 divisors (see below), whose sum is σ = 58172704. Its totient is φ = 43629516.

The previous prime is 50901089. The next prime is 50901167. The reversal of 50901109 is 90110905.

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 de Polignac number, because none of the positive numbers 2^k-50901109 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 (50901509) 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, 3635787 + ... + 3635800.

It is an arithmetic number, because the mean of its divisors is an integer number (14543176).

Almost surely, 2^50901109 is an apocalyptic number.

It is an amenable number.

50901109 is a deficient number, since it is larger than the sum of its proper divisors (7271595).

50901109 is an equidigital number, since it uses as much as digits as its factorization.

50901109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271594.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 50901109 is about 7134.5013140373. The cubic root of 50901109 is about 370.6031288097.

The spelling of 50901109 in words is "fifty million, nine hundred one thousand, one hundred nine".