56530033212 has 24 divisors (see below), whose sum is σ = 132333072256. Its totient is φ = 18781964208.

The previous prime is 56530033211. The next prime is 56530033223. The reversal of 56530033212 is 21233003565.

It is a self number, because there is not a number n which added to its sum of digits gives 56530033212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56530033211) 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, 7668688 + ... + 7676055.

Almost surely, 2^56530033212 is an apocalyptic number.

It is an amenable number.

56530033212 is an abundant number, since it is smaller than the sum of its proper divisors (75803039044).

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

56530033212 is a wasteful number, since it uses less digits than its factorization.

56530033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345057 (or 15345055 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 56530033212 its reverse (21233003565), we get a palindrome (77763036777).

The spelling of 56530033212 in words is "fifty-six billion, five hundred thirty million, thirty-three thousand, two hundred twelve".