50072194 has 4 divisors (see below), whose sum is σ = 75108294. Its totient is φ = 25036096.

The previous prime is 50072177. The next prime is 50072203. The reversal of 50072194 is 49127005.

It is a happy number.

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., 33790969 + 16281225 = 5813^2 + 4035^2 .

It is a super-2 number, since 2×50072194² = 5014449223947272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12518047 + ... + 12518050.

Almost surely, 2^50072194 is an apocalyptic number.

50072194 is a deficient number, since it is larger than the sum of its proper divisors (25036100).

50072194 is a wasteful number, since it uses less digits than its factorization.

50072194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25036099.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 50072194 is about 7076.1708571798. The cubic root of 50072194 is about 368.5803745743.

Adding to 50072194 its reverse (49127005), we get a palindrome (99199199).

The spelling of 50072194 in words is "fifty million, seventy-two thousand, one hundred ninety-four".