50310409 has 4 divisors (see below), whose sum is σ = 51259716. Its totient is φ = 49361104.

The previous prime is 50310401. The next prime is 50310413. The reversal of 50310409 is 90401305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23736384 + 26574025 = 4872^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 50310409 - 2³ = 50310401 is a prime.

It is a super-2 number, since 2×50310409² = 5062274507494562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50310409.

It is not an unprimeable number, because it can be changed into a prime (50310401) 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, 474574 + ... + 474679.

It is an arithmetic number, because the mean of its divisors is an integer number (12814929).

Almost surely, 2^50310409 is an apocalyptic number.

It is an amenable number.

50310409 is a deficient number, since it is larger than the sum of its proper divisors (949307).

50310409 is an equidigital number, since it uses as much as digits as its factorization.

50310409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949306.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 50310409 is about 7092.9830818916. The cubic root of 50310409 is about 369.1639486597.

It can be divided in two parts, 5031040 and 9, that added together give a square (5031049 = 2243²).

The spelling of 50310409 in words is "fifty million, three hundred ten thousand, four hundred nine".