30555952 has 80 divisors (see below), whose sum is σ = 72495360. Its totient is φ = 12185856.

The previous prime is 30555901. The next prime is 30555961. The reversal of 30555952 is 25955503.

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 15 ways as a sum of consecutive naturals, for example, 176538 + ... + 176710.

It is an arithmetic number, because the mean of its divisors is an integer number (906192).

Almost surely, 2^30555952 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 30555952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36247680).

30555952 is an abundant number, since it is smaller than the sum of its proper divisors (41939408).

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

30555952 is a wasteful number, since it uses less digits than its factorization.

30555952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 30555952 is about 5527.7438435586. The cubic root of 30555952 is about 312.6309279642.

The spelling of 30555952 in words is "thirty million, five hundred fifty-five thousand, nine hundred fifty-two".