64520050 has 48 divisors (see below), whose sum is σ = 138866112. Its totient is φ = 21844800.

The previous prime is 64520039. The next prime is 64520051. The reversal of 64520050 is 5002546.

It is not an unprimeable number, because it can be changed into a prime (64520051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27940 + ... + 30160.

It is an arithmetic number, because the mean of its divisors is an integer number (2893044).

Almost surely, 2^64520050 is an apocalyptic number.

64520050 is an abundant number, since it is smaller than the sum of its proper divisors (74346062).

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

64520050 is a wasteful number, since it uses less digits than its factorization.

64520050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 64520050 is about 8032.4373635902. The cubic root of 64520050 is about 401.0805160843.

Adding to 64520050 its reverse (5002546), we get a palindrome (69522596).

The spelling of 64520050 in words is "sixty-four million, five hundred twenty thousand, fifty".