53544312 has 24 divisors (see below), whose sum is σ = 145016040. Its totient is φ = 17848080.

The previous prime is 53544311. The next prime is 53544313. The reversal of 53544312 is 21344535.

It is an interprime number because it is at equal distance from previous prime (53544311) and next prime (53544313).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×53544312³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53544311) 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 5 ways as a sum of consecutive naturals, for example, 371764 + ... + 371907.

It is an arithmetic number, because the mean of its divisors is an integer number (6042335).

Almost surely, 2^53544312 is an apocalyptic number.

It is an amenable number.

53544312 is an abundant number, since it is smaller than the sum of its proper divisors (91471728).

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

53544312 is a wasteful number, since it uses less digits than its factorization.

53544312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743683 (or 743676 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 53544312 is about 7317.3978981602. The cubic root of 53544312 is about 376.9101048131.

Adding to 53544312 its reverse (21344535), we get a palindrome (74888847).

The spelling of 53544312 in words is "fifty-three million, five hundred forty-four thousand, three hundred twelve".