52538817 has 4 divisors (see below), whose sum is σ = 70051760. Its totient is φ = 35025876.

The previous prime is 52538813. The next prime is 52538821. The reversal of 52538817 is 71883525.

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 an interprime number because it is at equal distance from previous prime (52538813) and next prime (52538821).

It is not a de Polignac number, because 52538817 - 2² = 52538813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52538813) 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, 8756467 + ... + 8756472.

It is an arithmetic number, because the mean of its divisors is an integer number (17512940).

Almost surely, 2^52538817 is an apocalyptic number.

It is an amenable number.

52538817 is a deficient number, since it is larger than the sum of its proper divisors (17512943).

52538817 is a wasteful number, since it uses less digits than its factorization.

52538817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17512942.

The product of its digits is 67200, while the sum is 39.

The square root of 52538817 is about 7248.3665056342. The cubic root of 52538817 is about 374.5358809307.

The spelling of 52538817 in words is "fifty-two million, five hundred thirty-eight thousand, eight hundred seventeen".