53032144 has 20 divisors (see below), whose sum is σ = 112091040. Its totient is φ = 24105440.

The previous prime is 53032141. The next prime is 53032153. The reversal of 53032144 is 44123035.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53032141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150484 + ... + 150835.

It is an arithmetic number, because the mean of its divisors is an integer number (5604552).

Almost surely, 2^53032144 is an apocalyptic number.

It is an amenable number.

53032144 is an abundant number, since it is smaller than the sum of its proper divisors (59058896).

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

53032144 is a wasteful number, since it uses less digits than its factorization.

53032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301338 (or 301332 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53032144 is about 7282.3172136347. The cubic root of 53032144 is about 375.7044984711.

Adding to 53032144 its reverse (44123035), we get a palindrome (97155179).

It can be divided in two parts, 5303 and 2144, that added together give a palindrome (7447).

The spelling of 53032144 in words is "fifty-three million, thirty-two thousand, one hundred forty-four".