30055168 has 72 divisors (see below), whose sum is σ = 70567056. Its totient is φ = 12595200.

The previous prime is 30055147. The next prime is 30055217. The reversal of 30055168 is 86155003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36198 + ... + 37018.

It is an arithmetic number, because the mean of its divisors is an integer number (980098).

Almost surely, 2^30055168 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 30055168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35283528).

30055168 is an abundant number, since it is smaller than the sum of its proper divisors (40511888).

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

30055168 is a wasteful number, since it uses less digits than its factorization.

30055168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 30055168 is about 5482.2593882450. The cubic root of 30055168 is about 310.9136004105.

The spelling of 30055168 in words is "thirty million, fifty-five thousand, one hundred sixty-eight".