52092581 has 4 divisors (see below), whose sum is σ = 52806252. Its totient is φ = 51378912.

The previous prime is 52092571. The next prime is 52092583. The reversal of 52092581 is 18529025.

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 13764100 + 38328481 = 3710^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 52092581 - 2¹⁴ = 52076197 is a prime.

It is a super-2 number, since 2×52092581² = 5427273990483122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52092583) 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, 356726 + ... + 356871.

It is an arithmetic number, because the mean of its divisors is an integer number (13201563).

Almost surely, 2^52092581 is an apocalyptic number.

It is an amenable number.

52092581 is a deficient number, since it is larger than the sum of its proper divisors (713671).

52092581 is an equidigital number, since it uses as much as digits as its factorization.

52092581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713670.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 52092581 is about 7217.5190335738. The cubic root of 52092581 is about 373.4724969250.

The spelling of 52092581 in words is "fifty-two million, ninety-two thousand, five hundred eighty-one".