52165604 has 6 divisors (see below), whose sum is σ = 91289814. Its totient is φ = 26082800.

The previous prime is 52165573. The next prime is 52165609. The reversal of 52165604 is 40656125.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 4831204 = 6880^2 + 2198^2 .

It is not an unprimeable number, because it can be changed into a prime (52165609) 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 as a sum of consecutive naturals, namely, 6520697 + ... + 6520704.

It is an arithmetic number, because the mean of its divisors is an integer number (15214969).

Almost surely, 2^52165604 is an apocalyptic number.

It is an amenable number.

52165604 is a deficient number, since it is larger than the sum of its proper divisors (39124210).

52165604 is a wasteful number, since it uses less digits than its factorization.

52165604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041405 (or 13041403 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52165604 is about 7222.5759947542. The cubic root of 52165604 is about 373.6469257865.

The spelling of 52165604 in words is "fifty-two million, one hundred sixty-five thousand, six hundred four".