53503104 has 64 divisors (see below), whose sum is σ = 142914240. Its totient is φ = 17734656.

The previous prime is 53503081. The next prime is 53503123. The reversal of 53503104 is 40130535.

It is a tau number, because it is divible by the number of its divisors (64).

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, 106117 + ... + 106619.

It is an arithmetic number, because the mean of its divisors is an integer number (2233035).

Almost surely, 2^53503104 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 53503104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71457120).

53503104 is an abundant number, since it is smaller than the sum of its proper divisors (89411136).

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

53503104 is a wasteful number, since it uses less digits than its factorization.

53503104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53503104 is about 7314.5816011581. The cubic root of 53503104 is about 376.8133892944.

Adding to 53503104 its reverse (40130535), we get a palindrome (93633639).

The spelling of 53503104 in words is "fifty-three million, five hundred three thousand, one hundred four".