52449668 has 6 divisors (see below), whose sum is σ = 91786926. Its totient is φ = 26224832.

The previous prime is 52449653. The next prime is 52449679. The reversal of 52449668 is 86694425.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 10355524 = 6488^2 + 3218^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556205 + ... + 6556212.

It is an arithmetic number, because the mean of its divisors is an integer number (15297821).

Almost surely, 2^52449668 is an apocalyptic number.

It is an amenable number.

52449668 is a deficient number, since it is larger than the sum of its proper divisors (39337258).

52449668 is a wasteful number, since it uses less digits than its factorization.

52449668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112421 (or 13112419 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 52449668 is about 7242.2143022697. The cubic root of 52449668 is about 374.3239208073.

The spelling of 52449668 in words is "fifty-two million, four hundred forty-nine thousand, six hundred sixty-eight".