53625144 has 64 divisors (see below), whose sum is σ = 147283200. Its totient is φ = 16194816.

The previous prime is 53625139. The next prime is 53625149. The reversal of 53625144 is 44152635.

It is an interprime number because it is at equal distance from previous prime (53625139) and next prime (53625149).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53625149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7932 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (2301300).

Almost surely, 2^53625144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53625144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73641600).

53625144 is an abundant number, since it is smaller than the sum of its proper divisors (93658056).

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

53625144 is a wasteful number, since it uses less digits than its factorization.

53625144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164 (or 5160 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 53625144 is about 7322.9190900897. The cubic root of 53625144 is about 377.0996741519.

Adding to 53625144 its reverse (44152635), we get a palindrome (97777779).

The spelling of 53625144 in words is "fifty-three million, six hundred twenty-five thousand, one hundred forty-four".