50985442 has 4 divisors (see below), whose sum is σ = 76478166. Its totient is φ = 25492720.

The previous prime is 50985439. The next prime is 50985449. The reversal of 50985442 is 24458905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24458905 = 5 ⋅4891781.

It can be written as a sum of positive squares in only one way, i.e., 50537881 + 447561 = 7109^2 + 669^2 .

It is not an unprimeable number, because it can be changed into a prime (50985449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746359 + ... + 12746362.

Almost surely, 2^50985442 is an apocalyptic number.

50985442 is a deficient number, since it is larger than the sum of its proper divisors (25492724).

50985442 is a wasteful number, since it uses less digits than its factorization.

50985442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492723.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 50985442 is about 7140.4090919218. The cubic root of 50985442 is about 370.8076877382.

The spelling of 50985442 in words is "fifty million, nine hundred eighty-five thousand, four hundred forty-two".