30243452553 has 12 divisors (see below), whose sum is σ = 43688456500. Its totient is φ = 20160700416.

The previous prime is 30243452543. The next prime is 30243452579. The reversal of 30243452553 is 35525434203.

30243452553 is a `hidden beast` number, since 3 + 0 + 24 + 34 + 52 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8916647184 + 21326805369 = 94428^2 + 146037^2 .

It is not a de Polignac number, because 30243452553 - 2¹⁶ = 30243387017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30243452543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7576 + ... + 246057.

Almost surely, 2^30243452553 is an apocalyptic number.

It is an amenable number.

30243452553 is a deficient number, since it is larger than the sum of its proper divisors (13445003947).

30243452553 is a wasteful number, since it uses less digits than its factorization.

30243452553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266888 (or 266885 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 30243452553 its reverse (35525434203), we get a palindrome (65768886756).

The spelling of 30243452553 in words is "thirty billion, two hundred forty-three million, four hundred fifty-two thousand, five hundred fifty-three".