50540242 has 4 divisors (see below), whose sum is σ = 75810366. Its totient is φ = 25270120.

The previous prime is 50540239. The next prime is 50540251. The reversal of 50540242 is 24204505.

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

It can be written as a sum of positive squares in only one way, i.e., 29278921 + 21261321 = 5411^2 + 4611^2 .

It is a super-2 number, since 2×50540242² = 5108632122837128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12635059 + ... + 12635062.

Almost surely, 2^50540242 is an apocalyptic number.

50540242 is a deficient number, since it is larger than the sum of its proper divisors (25270124).

50540242 is a wasteful number, since it uses less digits than its factorization.

50540242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25270123.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 50540242 is about 7109.1660551713. The cubic root of 50540242 is about 369.7252452560.

Adding to 50540242 its reverse (24204505), we get a palindrome (74744747).

The spelling of 50540242 in words is "fifty million, five hundred forty thousand, two hundred forty-two".