53380144 has 20 divisors (see below), whose sum is σ = 104122800. Its totient is φ = 26509760.

The previous prime is 53380141. The next prime is 53380189. The reversal of 53380144 is 44108335.

It is not an unprimeable number, because it can be changed into a prime (53380141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8812 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (5206140).

Almost surely, 2^53380144 is an apocalyptic number.

It is an amenable number.

53380144 is a deficient number, since it is larger than the sum of its proper divisors (50742656).

53380144 is a wasteful number, since it uses less digits than its factorization.

53380144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22548 (or 22542 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53380144 is about 7306.1716377320. The cubic root of 53380144 is about 376.5245056585.

Adding to 53380144 its reverse (44108335), we get a palindrome (97488479).

The spelling of 53380144 in words is "fifty-three million, three hundred eighty thousand, one hundred forty-four".