52000066 has 4 divisors (see below), whose sum is σ = 78000102. Its totient is φ = 26000032.

The previous prime is 52000061. The next prime is 52000087. The reversal of 52000066 is 66000025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 7177041 = 6695^2 + 2679^2 .

52000066 is a modest number, since divided by 66 gives 52 as remainder.

It is not an unprimeable number, because it can be changed into a prime (52000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13000015 + ... + 13000018.

Almost surely, 2^52000066 is an apocalyptic number.

52000066 is a deficient number, since it is larger than the sum of its proper divisors (26000036).

52000066 is a wasteful number, since it uses less digits than its factorization.

52000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26000035.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52000066 is about 7211.1071272031. The cubic root of 52000066 is about 373.2512735956.

The spelling of 52000066 in words is "fifty-two million, sixty-six", and thus it is an aban number, an eban number, and an uban number.