50038309 has 6 divisors (see below), whose sum is σ = 51705510. Its totient is φ = 48423240.

The previous prime is 50038279. The next prime is 50038337. The reversal of 50038309 is 90383005.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 1387684 = 6975^2 + 1178^2 .

It is not a de Polignac number, because 50038309 - 2⁷ = 50038181 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 (50038399) 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, 25074 + ... + 26995.

It is an arithmetic number, because the mean of its divisors is an integer number (8617585).

Almost surely, 2^50038309 is an apocalyptic number.

It is an amenable number.

50038309 is a deficient number, since it is larger than the sum of its proper divisors (1667201).

50038309 is an equidigital number, since it uses as much as digits as its factorization.

50038309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52131 (or 52100 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 50038309 is about 7073.7761485645. The cubic root of 50038309 is about 368.4972135533.

It can be divided in two parts, 500 and 38309, that added together give a square (38809 = 197²).

The spelling of 50038309 in words is "fifty million, thirty-eight thousand, three hundred nine".