53332144 has 20 divisors (see below), whose sum is σ = 105852600. Its totient is φ = 26015360.

The previous prime is 53332129. The next prime is 53332157. The reversal of 53332144 is 44123335.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39994 + ... + 41305.

It is an arithmetic number, because the mean of its divisors is an integer number (5292630).

Almost surely, 2^53332144 is an apocalyptic number.

It is an amenable number.

53332144 is a deficient number, since it is larger than the sum of its proper divisors (52520456).

53332144 is a wasteful number, since it uses less digits than its factorization.

53332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81348 (or 81342 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 53332144 is about 7302.8860048614. The cubic root of 53332144 is about 376.4116135178.

Adding to 53332144 its reverse (44123335), we get a palindrome (97455479).

The spelling of 53332144 in words is "fifty-three million, three hundred thirty-two thousand, one hundred forty-four".