53008660 has 12 divisors (see below), whose sum is σ = 111318228. Its totient is φ = 21203456.

The previous prime is 53008649. The next prime is 53008693. The reversal of 53008660 is 6680035.

It can be written as a sum of positive squares in 2 ways, for example, as 42224004 + 10784656 = 6498^2 + 3284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325197 + ... + 1325236.

It is an arithmetic number, because the mean of its divisors is an integer number (9276519).

Almost surely, 2^53008660 is an apocalyptic number.

It is an amenable number.

53008660 is an abundant number, since it is smaller than the sum of its proper divisors (58309568).

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

53008660 is a wasteful number, since it uses less digits than its factorization.

53008660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650442 (or 2650440 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 53008660 is about 7280.7046362286. The cubic root of 53008660 is about 375.6490330718.

Adding to 53008660 its reverse (6680035), we get a palindrome (59688695).

The spelling of 53008660 in words is "fifty-three million, eight thousand, six hundred sixty".