52661304 has 48 divisors (see below), whose sum is σ = 143039520. Its totient is φ = 17502720.

The previous prime is 52661269. The next prime is 52661309. The reversal of 52661304 is 40316625.

52661304 is a `hidden beast` number, since 526 + 6 + 130 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52661309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30184 + ... + 31880.

It is an arithmetic number, because the mean of its divisors is an integer number (2979990).

Almost surely, 2^52661304 is an apocalyptic number.

It is an amenable number.

52661304 is an abundant number, since it is smaller than the sum of its proper divisors (90378216).

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

52661304 is a wasteful number, since it uses less digits than its factorization.

52661304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52661304 is about 7256.8108697967. The cubic root of 52661304 is about 374.8267146048.

Adding to 52661304 its reverse (40316625), we get a palindrome (92977929).

The spelling of 52661304 in words is "fifty-two million, six hundred sixty-one thousand, three hundred four".