52166501 has 4 divisors (see below), whose sum is σ = 52200192. Its totient is φ = 52132812.

The previous prime is 52166497. The next prime is 52166509. The reversal of 52166501 is 10566125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52166501 - 2² = 52166497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14405 + ... + 17658.

It is an arithmetic number, because the mean of its divisors is an integer number (13050048).

Almost surely, 2^52166501 is an apocalyptic number.

It is an amenable number.

52166501 is a deficient number, since it is larger than the sum of its proper divisors (33691).

52166501 is a wasteful number, since it uses less digits than its factorization.

52166501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33690.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52166501 is about 7222.6380914455. The cubic root of 52166501 is about 373.6490674235.

The spelling of 52166501 in words is "fifty-two million, one hundred sixty-six thousand, five hundred one".