53505324 has 36 divisors (see below), whose sum is σ = 143207064. Its totient is φ = 16785792.

The previous prime is 53505323. The next prime is 53505343. The reversal of 53505324 is 42350535.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (53505323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43102 + ... + 44325.

It is an arithmetic number, because the mean of its divisors is an integer number (3977974).

Almost surely, 2^53505324 is an apocalyptic number.

It is an amenable number.

53505324 is an abundant number, since it is smaller than the sum of its proper divisors (89701740).

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

53505324 is a wasteful number, since it uses less digits than its factorization.

53505324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87454 (or 87449 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53505324 is about 7314.7333512576. The cubic root of 53505324 is about 376.8186009182.

Adding to 53505324 its reverse (42350535), we get a palindrome (95855859).

The spelling of 53505324 in words is "fifty-three million, five hundred five thousand, three hundred twenty-four".