50309340 has 48 divisors (see below), whose sum is σ = 148283520. Its totient is φ = 12709440.

The previous prime is 50309339. The next prime is 50309377. The reversal of 50309340 is 4390305.

It is a self number, because there is not a number n which added to its sum of digits gives 50309340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20926 + ... + 23205.

It is an arithmetic number, because the mean of its divisors is an integer number (3089240).

Almost surely, 2^50309340 is an apocalyptic number.

It is an amenable number.

50309340 is an abundant number, since it is smaller than the sum of its proper divisors (97974180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50309340 is a wasteful number, since it uses less digits than its factorization.

50309340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44162 (or 44160 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 50309340 is about 7092.9077253268. The cubic root of 50309340 is about 369.1613339652.

Adding to 50309340 its reverse (4390305), we get a palindrome (54699645).

The spelling of 50309340 in words is "fifty million, three hundred nine thousand, three hundred forty".