30255056 has 60 divisors (see below), whose sum is σ = 64808352. Its totient is φ = 13673088.

The previous prime is 30255047. The next prime is 30255067. The reversal of 30255056 is 65055203.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 181085 + ... + 181251.

Almost surely, 2^30255056 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 30255056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32404176).

30255056 is an abundant number, since it is smaller than the sum of its proper divisors (34553296).

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

30255056 is a wasteful number, since it uses less digits than its factorization.

30255056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 30255056 is about 5500.4596171593. The cubic root of 30255056 is about 311.6013426853.

The spelling of 30255056 in words is "thirty million, two hundred fifty-five thousand, fifty-six".