30055253028 has 12 divisors (see below), whose sum is σ = 70128923760. Its totient is φ = 10018417672.

The previous prime is 30055253023. The next prime is 30055253077. The reversal of 30055253028 is 82035255003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30055253028.

It is not an unprimeable number, because it can be changed into a prime (30055253023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252302198 + ... + 1252302221.

It is an arithmetic number, because the mean of its divisors is an integer number (5844076980).

Almost surely, 2^30055253028 is an apocalyptic number.

It is an amenable number.

30055253028 is an abundant number, since it is smaller than the sum of its proper divisors (40073670732).

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

30055253028 is a wasteful number, since it uses less digits than its factorization.

30055253028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504604426 (or 2504604424 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 30055253028 in words is "thirty billion, fifty-five million, two hundred fifty-three thousand, twenty-eight".