53815144 has 16 divisors (see below), whose sum is σ = 106214400. Its totient is φ = 25491312.

The previous prime is 53815133. The next prime is 53815159. The reversal of 53815144 is 44151835.

53815144 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, 176872 + ... + 177175.

It is an arithmetic number, because the mean of its divisors is an integer number (6638400).

Almost surely, 2^53815144 is an apocalyptic number.

It is an amenable number.

53815144 is a deficient number, since it is larger than the sum of its proper divisors (52399256).

53815144 is a wasteful number, since it uses less digits than its factorization.

53815144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354072 (or 354068 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 53815144 is about 7335.8805879049. The cubic root of 53815144 is about 377.5445182356.

Adding to 53815144 its reverse (44151835), we get a palindrome (97966979).

The spelling of 53815144 in words is "fifty-three million, eight hundred fifteen thousand, one hundred forty-four".