52516560 has 40 divisors (see below), whose sum is σ = 162802080. Its totient is φ = 14004352.

The previous prime is 52516559. The next prime is 52516591. The reversal of 52516560 is 6561525.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 109170 + ... + 109649.

It is an arithmetic number, because the mean of its divisors is an integer number (4070052).

Almost surely, 2^52516560 is an apocalyptic number.

It is an amenable number.

52516560 is an abundant number, since it is smaller than the sum of its proper divisors (110285520).

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

52516560 is a wasteful number, since it uses less digits than its factorization.

52516560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218835 (or 218829 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 52516560 is about 7246.8310315613. The cubic root of 52516560 is about 374.4829852941.

It can be divided in two parts, 5251 and 6560, that added together give a palindrome (11811).

The spelling of 52516560 in words is "fifty-two million, five hundred sixteen thousand, five hundred sixty".