53431912 has 16 divisors (see below), whose sum is σ = 101558340. Its totient is φ = 26349696.

The previous prime is 53431907. The next prime is 53431919. The reversal of 53431912 is 21913435.

It can be written as a sum of positive squares in 2 ways, for example, as 46430596 + 7001316 = 6814^2 + 2646^2 .

It is not an unprimeable number, because it can be changed into a prime (53431919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45163 + ... + 46330.

Almost surely, 2^53431912 is an apocalyptic number.

It is an amenable number.

53431912 is a deficient number, since it is larger than the sum of its proper divisors (48126428).

53431912 is a wasteful number, since it uses less digits than its factorization.

53431912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91572 (or 91568 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 53431912 is about 7309.7135374787. The cubic root of 53431912 is about 376.6461840047.

The spelling of 53431912 in words is "fifty-three million, four hundred thirty-one thousand, nine hundred twelve".