52661360 has 40 divisors (see below), whose sum is σ = 125753856. Its totient is φ = 20494080.

The previous prime is 52661347. The next prime is 52661377. The reversal of 52661360 is 6316625.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 5936 + ... + 11855.

Almost surely, 2^52661360 is an apocalyptic number.

It is an amenable number.

52661360 is an abundant number, since it is smaller than the sum of its proper divisors (73092496).

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

52661360 is a wasteful number, since it uses less digits than its factorization.

52661360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841 (or 17835 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 52661360 is about 7256.8147282399. The cubic root of 52661360 is about 374.8268474682.

Adding to 52661360 its reverse (6316625), we get a palindrome (58977985).

The spelling of 52661360 in words is "fifty-two million, six hundred sixty-one thousand, three hundred sixty".