53345512 has 24 divisors (see below), whose sum is σ = 109944450. Its totient is φ = 24247520.

The previous prime is 53345497. The next prime is 53345531. The reversal of 53345512 is 21554335.

It can be written as a sum of positive squares in only one way, i.e., 37136836 + 16208676 = 6094^2 + 4026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26587 + ... + 28522.

Almost surely, 2^53345512 is an apocalyptic number.

It is an amenable number.

53345512 is an abundant number, since it is smaller than the sum of its proper divisors (56598938).

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

53345512 is a wasteful number, since it uses less digits than its factorization.

53345512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55137 (or 55122 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 53345512 is about 7303.8012021139. The cubic root of 53345512 is about 376.4430607821.

Adding to 53345512 its reverse (21554335), we get a palindrome (74899847).

The spelling of 53345512 in words is "fifty-three million, three hundred forty-five thousand, five hundred twelve".