30055152 has 40 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 9876160.

The previous prime is 30055147. The next prime is 30055217. The reversal of 30055152 is 25155003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (1968624).

Almost surely, 2^30055152 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 30055152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39372480).

30055152 is an abundant number, since it is smaller than the sum of its proper divisors (48689808).

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

30055152 is a wasteful number, since it uses less digits than its factorization.

30055152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 30055152 is about 5482.2579289924. The cubic root of 30055152 is about 310.9135452384.

The spelling of 30055152 in words is "thirty million, fifty-five thousand, one hundred fifty-two".