53245312 has 16 divisors (see below), whose sum is σ = 106074900. Its totient is φ = 26622592.

The previous prime is 53245307. The next prime is 53245319. The reversal of 53245312 is 21354235.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×53245312³ (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 (53245319) 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 as a sum of consecutive naturals, namely, 207862 + ... + 208117.

Almost surely, 2^53245312 is an apocalyptic number.

It is an amenable number.

53245312 is a deficient number, since it is larger than the sum of its proper divisors (52829588).

53245312 is an equidigital number, since it uses as much as digits as its factorization.

53245312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415993 (or 415981 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 53245312 is about 7296.9385361260. The cubic root of 53245312 is about 376.2072194123.

Adding to 53245312 its reverse (21354235), we get a palindrome (74599547).

The spelling of 53245312 in words is "fifty-three million, two hundred forty-five thousand, three hundred twelve".