52665544 has 8 divisors (see below), whose sum is σ = 98747910. Its totient is φ = 26332768.

The previous prime is 52665539. The next prime is 52665553. The reversal of 52665544 is 44556625.

It can be written as a sum of positive squares in only one way, i.e., 30669444 + 21996100 = 5538^2 + 4690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3291589 + ... + 3291604.

Almost surely, 2^52665544 is an apocalyptic number.

It is an amenable number.

52665544 is a deficient number, since it is larger than the sum of its proper divisors (46082366).

52665544 is a wasteful number, since it uses less digits than its factorization.

52665544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583199 (or 6583195 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 52665544 is about 7257.1030032651. The cubic root of 52665544 is about 374.8367740001.

The spelling of 52665544 in words is "fifty-two million, six hundred sixty-five thousand, five hundred forty-four".