30533537312656 has 45 divisors (see below), whose sum is σ = 68817645182619. Its totient is φ = 13085735396832.

The previous prime is 30533537312633. The next prime is 30533537312659. The reversal of 30533537312656 is 65621373533503.

The square root of 30533537312656 is 5525716.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30533537312659) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 154621375 + ... + 154818721.

Almost surely, 2^{30533537312656} is an apocalyptic number.

30533537312656 is the 5525716-th square number.

It is an amenable number.

30533537312656 is an abundant number, since it is smaller than the sum of its proper divisors (38284107869963).

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

30533537312656 is an frugal number, since it uses more digits than its factorization.

30533537312656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394716 (or 197356 counting only the distinct ones).

The product of its (nonzero) digits is 15309000, while the sum is 52.

The spelling of 30533537312656 in words is "thirty trillion, five hundred thirty-three billion, five hundred thirty-seven million, three hundred twelve thousand, six hundred fifty-six".