52645417 has 4 divisors (see below), whose sum is σ = 57431376. Its totient is φ = 47859460.

The previous prime is 52645403. The next prime is 52645421. The reversal of 52645417 is 71454625.

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 52645417 - 2⁷ = 52645289 is a prime.

It is a super-2 number, since 2×52645417² = 5543079862207778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52645427) 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, 2392963 + ... + 2392984.

It is an arithmetic number, because the mean of its divisors is an integer number (14357844).

Almost surely, 2^52645417 is an apocalyptic number.

It is an amenable number.

52645417 is a deficient number, since it is larger than the sum of its proper divisors (4785959).

52645417 is a wasteful number, since it uses less digits than its factorization.

52645417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785958.

The product of its digits is 33600, while the sum is 34.

The square root of 52645417 is about 7255.7161603800. The cubic root of 52645417 is about 374.7890179123.

The spelling of 52645417 in words is "fifty-two million, six hundred forty-five thousand, four hundred seventeen".