50409442 has 8 divisors (see below), whose sum is σ = 75739356. Its totient is φ = 25162992.

The previous prime is 50409439. The next prime is 50409449. The reversal of 50409442 is 24490405.

It can be written as a sum of positive squares in 2 ways, for example, as 46908801 + 3500641 = 6849^2 + 1871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×50409442² = 5082223685502728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50409442.

It is not an unprimeable number, because it can be changed into a prime (50409449) 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, 19333 + ... + 21784.

Almost surely, 2^50409442 is an apocalyptic number.

50409442 is a deficient number, since it is larger than the sum of its proper divisors (25329914).

50409442 is a wasteful number, since it uses less digits than its factorization.

50409442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41732.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 50409442 is about 7099.9607041166. The cubic root of 50409442 is about 369.4060155396.

Adding to 50409442 its reverse (24490405), we get a palindrome (74899847).

The spelling of 50409442 in words is "fifty million, four hundred nine thousand, four hundred forty-two".