53214312 has 32 divisors (see below), whose sum is σ = 133267680. Its totient is φ = 17707200.

The previous prime is 53214311. The next prime is 53214331. The reversal of 53214312 is 21341235.

It is not an unprimeable number, because it can be changed into a prime (53214311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15243 + ... + 18405.

It is an arithmetic number, because the mean of its divisors is an integer number (4164615).

Almost surely, 2^53214312 is an apocalyptic number.

It is an amenable number.

53214312 is an abundant number, since it is smaller than the sum of its proper divisors (80053368).

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

53214312 is a wasteful number, since it uses less digits than its factorization.

53214312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873 (or 3869 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 53214312 is about 7294.8140483497. The cubic root of 53214312 is about 376.1341945930.

Adding to 53214312 its reverse (21341235), we get a palindrome (74555547).

The spelling of 53214312 in words is "fifty-three million, two hundred fourteen thousand, three hundred twelve".