52091658 has 24 divisors (see below), whose sum is σ = 113590308. Its totient is φ = 17252352.

The previous prime is 52091639. The next prime is 52091701. The reversal of 52091658 is 85619025.

It is a happy number.

52091658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51796809 + 294849 = 7197^2 + 543^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6391 + ... + 12042.

Almost surely, 2^52091658 is an apocalyptic number.

52091658 is an abundant number, since it is smaller than the sum of its proper divisors (61498650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52091658 is a wasteful number, since it uses less digits than its factorization.

52091658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598 (or 18595 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 52091658 is about 7217.4550916511. The cubic root of 52091658 is about 373.4702911269.

The spelling of 52091658 in words is "fifty-two million, ninety-one thousand, six hundred fifty-eight".