53503001304 has 64 divisors (see below), whose sum is σ = 139608368640. Its totient is φ = 17054611200.

The previous prime is 53503001287. The next prime is 53503001309. The reversal of 53503001304 is 40310030535.

It is a happy number.

It is a super-2 number, since 2×53503001304² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503001309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2723164 + ... + 2742740.

It is an arithmetic number, because the mean of its divisors is an integer number (2181380760).

Almost surely, 2^53503001304 is an apocalyptic number.

It is an amenable number.

53503001304 is an abundant number, since it is smaller than the sum of its proper divisors (86105367336).

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

53503001304 is a wasteful number, since it uses less digits than its factorization.

53503001304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24560 (or 24556 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 53503001304 its reverse (40310030535), we get a palindrome (93813031839).

The spelling of 53503001304 in words is "fifty-three billion, five hundred three million, one thousand, three hundred four".