53453504 has 56 divisors (see below), whose sum is σ = 117091968. Its totient is φ = 24053760.

The previous prime is 53453497. The next prime is 53453509. The reversal of 53453504 is 40535435.

It is not an unprimeable number, because it can be changed into a prime (53453509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33329 + ... + 34895.

It is an arithmetic number, because the mean of its divisors is an integer number (2090928).

Almost surely, 2^53453504 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 53453504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58545984).

53453504 is an abundant number, since it is smaller than the sum of its proper divisors (63638464).

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

53453504 is a wasteful number, since it uses less digits than its factorization.

53453504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53453504 is about 7311.1903271629. The cubic root of 53453504 is about 376.6969117994.

Adding to 53453504 its reverse (40535435), we get a palindrome (93988939).

The spelling of 53453504 in words is "fifty-three million, four hundred fifty-three thousand, five hundred four".