50661224 has 32 divisors (see below), whose sum is σ = 102928320. Its totient is φ = 23283456.

The previous prime is 50661217. The next prime is 50661227. The reversal of 50661224 is 42216605.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 50661193 and 50661202.

It is not an unprimeable number, because it can be changed into a prime (50661227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (3216510).

Almost surely, 2^50661224 is an apocalyptic number.

It is an amenable number.

50661224 is an abundant number, since it is smaller than the sum of its proper divisors (52267096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50661224 is a wasteful number, since it uses less digits than its factorization.

50661224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729 (or 8725 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 50661224 is about 7117.6698434249. The cubic root of 50661224 is about 370.0200232651.

Adding to 50661224 its reverse (42216605), we get a palindrome (92877829).

The spelling of 50661224 in words is "fifty million, six hundred sixty-one thousand, two hundred twenty-four".