53552560 has 80 divisors (see below), whose sum is σ = 132179040. Its totient is φ = 20142080.

The previous prime is 53552549. The next prime is 53552561. The reversal of 53552560 is 6525535.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (53552561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94839 + ... + 95401.

It is an arithmetic number, because the mean of its divisors is an integer number (1652238).

Almost surely, 2^53552560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53552560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66089520).

53552560 is an abundant number, since it is smaller than the sum of its proper divisors (78626480).

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

53552560 is a wasteful number, since it uses less digits than its factorization.

53552560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 53552560 is about 7317.9614647797. The cubic root of 53552560 is about 376.9294569772.

The spelling of 53552560 in words is "fifty-three million, five hundred fifty-two thousand, five hundred sixty".