53213235112 has 16 divisors (see below), whose sum is σ = 101657360340. Its totient is φ = 26104605696.

The previous prime is 53213235109. The next prime is 53213235121. The reversal of 53213235112 is 21153231235.

It can be written as a sum of positive squares in 2 ways, for example, as 50925143556 + 2288091556 = 225666^2 + 47834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62751033 + ... + 62751880.

Almost surely, 2^53213235112 is an apocalyptic number.

It is an amenable number.

53213235112 is a deficient number, since it is larger than the sum of its proper divisors (48444125228).

53213235112 is a wasteful number, since it uses less digits than its factorization.

53213235112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125502972 (or 125502968 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

Adding to 53213235112 its reverse (21153231235), we get a palindrome (74366466347).

The spelling of 53213235112 in words is "fifty-three billion, two hundred thirteen million, two hundred thirty-five thousand, one hundred twelve".