53181452 has 12 divisors (see below), whose sum is σ = 93297960. Its totient is φ = 26524896.

The previous prime is 53181413. The next prime is 53181473. The reversal of 53181452 is 25418135.

53181452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14618 + ... + 17889.

It is an arithmetic number, because the mean of its divisors is an integer number (7774830).

Almost surely, 2^53181452 is an apocalyptic number.

It is an amenable number.

53181452 is a deficient number, since it is larger than the sum of its proper divisors (40116508).

53181452 is a wasteful number, since it uses less digits than its factorization.

53181452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32920 (or 32918 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 53181452 is about 7292.5614155796. The cubic root of 53181452 is about 376.0567573140.

Adding to 53181452 its reverse (25418135), we get a palindrome (78599587).

The spelling of 53181452 in words is "fifty-three million, one hundred eighty-one thousand, four hundred fifty-two".