30525530553 has 12 divisors (see below), whose sum is σ = 50391352128. Its totient is φ = 17443160280.

The previous prime is 30525530509. The next prime is 30525530573. The reversal of 30525530553 is 35503552503.

30525530553 is a `hidden beast` number, since 3 + 0 + 52 + 5 + 53 + 0 + 553 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-30525530553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30525530573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242266053 + ... + 242266178.

It is an arithmetic number, because the mean of its divisors is an integer number (4199279344).

Almost surely, 2^30525530553 is an apocalyptic number.

It is an amenable number.

30525530553 is a deficient number, since it is larger than the sum of its proper divisors (19865821575).

30525530553 is a wasteful number, since it uses less digits than its factorization.

30525530553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484532244 (or 484532241 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 36.

The spelling of 30525530553 in words is "thirty billion, five hundred twenty-five million, five hundred thirty thousand, five hundred fifty-three".