50900909 has 6 divisors (see below), whose sum is σ = 53210766. Its totient is φ = 48687320.

The previous prime is 50900903. The next prime is 50900911. The reversal of 50900909 is 90900905.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 64009 = 7130^2 + 253^2 .

It is not a de Polignac number, because 50900909 - 2²⁴ = 34123693 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 (50900903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47582 + ... + 48639.

It is an arithmetic number, because the mean of its divisors is an integer number (8868461).

Almost surely, 2^50900909 is an apocalyptic number.

It is an amenable number.

50900909 is a deficient number, since it is larger than the sum of its proper divisors (2309857).

50900909 is an equidigital number, since it uses as much as digits as its factorization.

50900909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96267 (or 96244 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 50900909 is about 7134.4872976269. The cubic root of 50900909 is about 370.6026434194.

The spelling of 50900909 in words is "fifty million, nine hundred thousand, nine hundred nine".