52645560 has 64 divisors (see below), whose sum is σ = 172298880. Its totient is φ = 12762240.

The previous prime is 52645531. The next prime is 52645609. The reversal of 52645560 is 6554625.

It is a happy number.

52645560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 18622 + ... + 21261.

It is an arithmetic number, because the mean of its divisors is an integer number (2692170).

Almost surely, 2^52645560 is an apocalyptic number.

It is an amenable number.

52645560 is an abundant number, since it is smaller than the sum of its proper divisors (119653320).

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

52645560 is a wasteful number, since it uses less digits than its factorization.

52645560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39908 (or 39904 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 52645560 is about 7255.7260146728. The cubic root of 52645560 is about 374.7893572567.

The spelling of 52645560 in words is "fifty-two million, six hundred forty-five thousand, five hundred sixty".