53120760 has 128 divisors (see below), whose sum is σ = 198720000. Its totient is φ = 11036160.

The previous prime is 53120759. The next prime is 53120803. The reversal of 53120760 is 6702135.

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 53120760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6366 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (1552500).

Almost surely, 2^53120760 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 53120760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99360000).

53120760 is an abundant number, since it is smaller than the sum of its proper divisors (145599240).

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

53120760 is a wasteful number, since it uses less digits than its factorization.

53120760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781 (or 5777 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 53120760 is about 7288.3990011524. The cubic root of 53120760 is about 375.9136477419.

Adding to 53120760 its reverse (6702135), we get a palindrome (59822895).

The spelling of 53120760 in words is "fifty-three million, one hundred twenty thousand, seven hundred sixty".