53122560 has 80 divisors (see below), whose sum is σ = 169850736. Its totient is φ = 14163968.

The previous prime is 53122529. The next prime is 53122583. The reversal of 53122560 is 6522135.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53122560.

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, 4222 + ... + 11138.

Almost surely, 2^53122560 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 53122560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84925368).

53122560 is an abundant number, since it is smaller than the sum of its proper divisors (116728176).

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

53122560 is an equidigital number, since it uses as much as digits as its factorization.

53122560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943 (or 6927 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53122560 is about 7288.5224840155. The cubic root of 53122560 is about 375.9178936458.

Adding to 53122560 its reverse (6522135), we get a palindrome (59644695).

The spelling of 53122560 in words is "fifty-three million, one hundred twenty-two thousand, five hundred sixty".