53443304212 has 12 divisors (see below), whose sum is σ = 93613938516. Its totient is φ = 26696464640.

The previous prime is 53443304197. The next prime is 53443304221. The reversal of 53443304212 is 21240334435.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44996591376 + 8446712836 = 212124^2 + 91906^2 .

It is a super-4 number, since 4×53443304212⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

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, 6292093 + ... + 6300580.

It is an arithmetic number, because the mean of its divisors is an integer number (7801161543).

Almost surely, 2^53443304212 is an apocalyptic number.

It is an amenable number.

53443304212 is a deficient number, since it is larger than the sum of its proper divisors (40170634304).

53443304212 is a wasteful number, since it uses less digits than its factorization.

53443304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12593738 (or 12593736 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 53443304212 its reverse (21240334435), we get a palindrome (74683638647).

The spelling of 53443304212 in words is "fifty-three billion, four hundred forty-three million, three hundred four thousand, two hundred twelve".