53121060 has 72 divisors (see below), whose sum is σ = 162052800. Its totient is φ = 14084928.

The previous prime is 53121059. The next prime is 53121071. The reversal of 53121060 is 6012135.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35079 + ... + 36561.

Almost surely, 2^53121060 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 53121060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81026400).

53121060 is an abundant number, since it is smaller than the sum of its proper divisors (108931740).

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

53121060 is a wasteful number, since it uses less digits than its factorization.

53121060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 53121060 is about 7288.4195817749. The cubic root of 53121060 is about 375.9143553992.

Adding to 53121060 its reverse (6012135), we get a palindrome (59133195).

The spelling of 53121060 in words is "fifty-three million, one hundred twenty-one thousand, sixty".