53503060 has 72 divisors (see below), whose sum is σ = 126813960. Its totient is φ = 18847488.

The previous prime is 53503027. The next prime is 53503067. The reversal of 53503060 is 6030535.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 53494596 = 92^2 + 7314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137346 + ... + 137734.

It is an arithmetic number, because the mean of its divisors is an integer number (1761305).

Almost surely, 2^53503060 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 53503060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63406980).

53503060 is an abundant number, since it is smaller than the sum of its proper divisors (73310900).

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

53503060 is a wasteful number, since it uses less digits than its factorization.

53503060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 53503060 is about 7314.5785934666. The cubic root of 53503060 is about 376.8132859995.

Adding to 53503060 its reverse (6030535), we get a palindrome (59533595).

The spelling of 53503060 in words is "fifty-three million, five hundred three thousand, sixty".