52516386 has 24 divisors (see below), whose sum is σ = 122538780. Its totient is φ = 16158816.

The previous prime is 52516363. The next prime is 52516397. The reversal of 52516386 is 68361525.

It can be written as a sum of positive squares in 2 ways, for example, as 40717161 + 11799225 = 6381^2 + 3435^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52516386.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111981 + ... + 112448.

Almost surely, 2^52516386 is an apocalyptic number.

52516386 is an abundant number, since it is smaller than the sum of its proper divisors (70022394).

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

52516386 is a wasteful number, since it uses less digits than its factorization.

52516386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224450 (or 224447 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 52516386 is about 7246.8190263039. The cubic root of 52516386 is about 374.4825717096.

The spelling of 52516386 in words is "fifty-two million, five hundred sixteen thousand, three hundred eighty-six".