53311312 has 10 divisors (see below), whose sum is σ = 103290698. Its totient is φ = 26655648.

The previous prime is 53311259. The next prime is 53311373. The reversal of 53311312 is 21311335.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 6031936 = 6876^2 + 2456^2 .

It is a super-2 number, since 2×53311312² = 5684191974322688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53311312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665963 + ... + 1665994.

Almost surely, 2^53311312 is an apocalyptic number.

It is an amenable number.

53311312 is a deficient number, since it is larger than the sum of its proper divisors (49979386).

53311312 is a wasteful number, since it uses less digits than its factorization.

53311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331965 (or 3331959 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 53311312 is about 7301.4595801114. The cubic root of 53311312 is about 376.3625972502.

Adding to 53311312 its reverse (21311335), we get a palindrome (74622647).

The spelling of 53311312 in words is "fifty-three million, three hundred eleven thousand, three hundred twelve".