52164813 has 4 divisors (see below), whose sum is σ = 69553088. Its totient is φ = 34776540.

The previous prime is 52164803. The next prime is 52164817. The reversal of 52164813 is 31846125.

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 not a de Polignac number, because 52164813 - 2⁴ = 52164797 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 (52164817) 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, 8694133 + ... + 8694138.

It is an arithmetic number, because the mean of its divisors is an integer number (17388272).

Almost surely, 2^52164813 is an apocalyptic number.

It is an amenable number.

52164813 is a deficient number, since it is larger than the sum of its proper divisors (17388275).

52164813 is a wasteful number, since it uses less digits than its factorization.

52164813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388274.

The product of its digits is 5760, while the sum is 30.

The square root of 52164813 is about 7222.5212356905. The cubic root of 52164813 is about 373.6450372099.

The spelling of 52164813 in words is "fifty-two million, one hundred sixty-four thousand, eight hundred thirteen".