53525144 has 8 divisors (see below), whose sum is σ = 100359660. Its totient is φ = 26762568.

The previous prime is 53525141. The next prime is 53525167. The reversal of 53525144 is 44152535.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53525141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345314 + ... + 3345329.

Almost surely, 2^53525144 is an apocalyptic number.

It is an amenable number.

53525144 is a deficient number, since it is larger than the sum of its proper divisors (46834516).

53525144 is a wasteful number, since it uses less digits than its factorization.

53525144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690649 (or 6690645 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 53525144 is about 7316.0880257143. The cubic root of 53525144 is about 376.8651235326.

Adding to 53525144 its reverse (44152535), we get a palindrome (97677679).

The spelling of 53525144 in words is "fifty-three million, five hundred twenty-five thousand, one hundred forty-four".