50447542 has 4 divisors (see below), whose sum is σ = 75671316. Its totient is φ = 25223770.

The previous prime is 50447521. The next prime is 50447543. The reversal of 50447542 is 24574405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24574405 = 5 ⋅4914881.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50447543) by changing a digit.

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, 12611884 + ... + 12611887.

It is an arithmetic number, because the mean of its divisors is an integer number (18917829).

Almost surely, 2^50447542 is an apocalyptic number.

50447542 is a deficient number, since it is larger than the sum of its proper divisors (25223774).

50447542 is a wasteful number, since it uses less digits than its factorization.

50447542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25223773.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 50447542 is about 7102.6433107682. The cubic root of 50447542 is about 369.4990591194.

The spelling of 50447542 in words is "fifty million, four hundred forty-seven thousand, five hundred forty-two".