64449050 has 12 divisors (see below), whose sum is σ = 119875326. Its totient is φ = 25779600.

The previous prime is 64449041. The next prime is 64449053. The reversal of 64449050 is 5094446.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 62141689 + 2307361 = 7883^2 + 1519^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64448998 and 64449016.

It is not an unprimeable number, because it can be changed into a prime (64449053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644441 + ... + 644540.

Almost surely, 2^64449050 is an apocalyptic number.

64449050 is a deficient number, since it is larger than the sum of its proper divisors (55426276).

64449050 is a wasteful number, since it uses less digits than its factorization.

64449050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288993 (or 1288988 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 64449050 is about 8028.0165669984. The cubic root of 64449050 is about 400.9333413244.

It can be divided in two parts, 644 and 49050, that added together give a palindrome (49694).

The spelling of 64449050 in words is "sixty-four million, four hundred forty-nine thousand, fifty".