30253545056 has 72 divisors (see below), whose sum is σ = 69550736976. Its totient is φ = 12689729280.

The previous prime is 30253545019. The next prime is 30253545061. The reversal of 30253545056 is 65054535203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464246 + ... + 525386.

It is an arithmetic number, because the mean of its divisors is an integer number (965982458).

Almost surely, 2^30253545056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30253545056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34775368488).

30253545056 is an abundant number, since it is smaller than the sum of its proper divisors (39297191920).

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

30253545056 is an equidigital number, since it uses as much as digits as its factorization.

30253545056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61252 (or 61197 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 30253545056 in words is "thirty billion, two hundred fifty-three million, five hundred forty-five thousand, fifty-six".