52881093 has 10 divisors (see below), whose sum is σ = 78995334. Its totient is φ = 35254008.

The previous prime is 52881089. The next prime is 52881107. The reversal of 52881093 is 39018825.

It can be written as a sum of positive squares in only one way, i.e., 39463524 + 13417569 = 6282^2 + 3663^2 .

It is not a de Polignac number, because 52881093 - 2² = 52881089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52881593) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 326346 + ... + 326507.

Almost surely, 2^52881093 is an apocalyptic number.

It is an amenable number.

52881093 is a deficient number, since it is larger than the sum of its proper divisors (26114241).

52881093 is an equidigital number, since it uses as much as digits as its factorization.

52881093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652865 (or 652856 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 52881093 is about 7271.9387373657. The cubic root of 52881093 is about 375.3474539692.

The spelling of 52881093 in words is "fifty-two million, eight hundred eighty-one thousand, ninety-three".