52452817 has 4 divisors (see below), whose sum is σ = 53732196. Its totient is φ = 51173440.

The previous prime is 52452809. The next prime is 52452821. The reversal of 52452817 is 71825425.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 50353216 = 1449^2 + 7096^2 .

It is a cyclic number.

It is not a de Polignac number, because 52452817 - 2³ = 52452809 is a prime.

It is a super-2 number, since 2×52452817² = 5502596022470978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52452877) 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, 639628 + ... + 639709.

It is an arithmetic number, because the mean of its divisors is an integer number (13433049).

Almost surely, 2^52452817 is an apocalyptic number.

It is an amenable number.

52452817 is a deficient number, since it is larger than the sum of its proper divisors (1279379).

52452817 is a wasteful number, since it uses less digits than its factorization.

52452817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279378.

The product of its digits is 22400, while the sum is 34.

The square root of 52452817 is about 7242.4317048903. The cubic root of 52452817 is about 374.3314119410.

The spelling of 52452817 in words is "fifty-two million, four hundred fifty-two thousand, eight hundred seventeen".