52288081 has 4 divisors (see below), whose sum is σ = 52388964. Its totient is φ = 52187200.

The previous prime is 52288037. The next prime is 52288099. The reversal of 52288081 is 18088225.

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 10297681 + 41990400 = 3209^2 + 6480^2 .

It is a cyclic number.

It is not a de Polignac number, because 52288081 - 2⁹ = 52287569 is a prime.

It is a super-2 number, since 2×52288081² = 5468086829325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52288001) 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, 49660 + ... + 50701.

It is an arithmetic number, because the mean of its divisors is an integer number (13097241).

Almost surely, 2^52288081 is an apocalyptic number.

It is an amenable number.

52288081 is a deficient number, since it is larger than the sum of its proper divisors (100883).

52288081 is a wasteful number, since it uses less digits than its factorization.

52288081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100882.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 52288081 is about 7231.0497854738. The cubic root of 52288081 is about 373.9391195097.

The spelling of 52288081 in words is "fifty-two million, two hundred eighty-eight thousand, eighty-one".