52541217 has 14 divisors (see below), whose sum is σ = 78776882. Its totient is φ = 35026992.

The previous prime is 52541201. The next prime is 52541219. The reversal of 52541217 is 71214525.

It can be written as a sum of positive squares in only one way, i.e., 51969681 + 571536 = 7209^2 + 756^2 .

It is not a de Polignac number, because 52541217 - 2⁴ = 52541201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52541219) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 35308 + ... + 36765.

Almost surely, 2^52541217 is an apocalyptic number.

It is an amenable number.

52541217 is a deficient number, since it is larger than the sum of its proper divisors (26235665).

52541217 is an frugal number, since it uses more digits than its factorization.

52541217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72091 (or 72076 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 52541217 is about 7248.5320582860. The cubic root of 52541217 is about 374.5415838407.

The spelling of 52541217 in words is "fifty-two million, five hundred forty-one thousand, two hundred seventeen".