50651243 has 4 divisors (see below), whose sum is σ = 50797560. Its totient is φ = 50504928.

The previous prime is 50651239. The next prime is 50651257. The reversal of 50651243 is 34215605.

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

It is a cyclic number.

It is not a de Polignac number, because 50651243 - 2² = 50651239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50651213) 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 in 3 ways as a sum of consecutive naturals, for example, 72638 + ... + 73331.

It is an arithmetic number, because the mean of its divisors is an integer number (12699390).

Almost surely, 2^50651243 is an apocalyptic number.

50651243 is a deficient number, since it is larger than the sum of its proper divisors (146317).

50651243 is a wasteful number, since it uses less digits than its factorization.

50651243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146316.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50651243 is about 7116.9686665040. The cubic root of 50651243 is about 369.9957218887.

Adding to 50651243 its reverse (34215605), we get a palindrome (84866848).

The spelling of 50651243 in words is "fifty million, six hundred fifty-one thousand, two hundred forty-three".