50618223 has 32 divisors (see below), whose sum is σ = 80000000. Its totient is φ = 31539456.

The previous prime is 50618221. The next prime is 50618287. The reversal of 50618223 is 32281605.

It is not a de Polignac number, because 50618223 - 2¹ = 50618221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50618221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39903 + ... + 41151.

It is an arithmetic number, because the mean of its divisors is an integer number (2500000).

Almost surely, 2^50618223 is an apocalyptic number.

50618223 is a deficient number, since it is larger than the sum of its proper divisors (29381777).

50618223 is a wasteful number, since it uses less digits than its factorization.

50618223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 50618223 is about 7114.6484804240. The cubic root of 50618223 is about 369.9153032334.

Adding to 50618223 its reverse (32281605), we get a palindrome (82899828).

The spelling of 50618223 in words is "fifty million, six hundred eighteen thousand, two hundred twenty-three".