53280560 has 40 divisors (see below), whose sum is σ = 130400880. Its totient is φ = 20189952.

The previous prime is 53280559. The next prime is 53280587. The reversal of 53280560 is 6508235.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16007 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (3260022).

Almost surely, 2^53280560 is an apocalyptic number.

It is an amenable number.

53280560 is an abundant number, since it is smaller than the sum of its proper divisors (77120320).

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

53280560 is a wasteful number, since it uses less digits than its factorization.

53280560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35085 (or 35079 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 53280560 is about 7299.3533960208. The cubic root of 53280560 is about 376.2902165597.

Adding to 53280560 its reverse (6508235), we get a palindrome (59788795).

The spelling of 53280560 in words is "fifty-three million, two hundred eighty thousand, five hundred sixty".