30055884 has 12 divisors (see below), whose sum is σ = 70130424. Its totient is φ = 10018624.

The previous prime is 30055873. The next prime is 30055897. The reversal of 30055884 is 48855003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252317 + ... + 1252340.

It is an arithmetic number, because the mean of its divisors is an integer number (5844202).

Almost surely, 2^30055884 is an apocalyptic number.

It is an amenable number.

30055884 is an abundant number, since it is smaller than the sum of its proper divisors (40074540).

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

30055884 is a wasteful number, since it uses less digits than its factorization.

30055884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504664 (or 2504662 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 30055884 is about 5482.3246893996. The cubic root of 30055884 is about 310.9160693411.

The spelling of 30055884 in words is "thirty million, fifty-five thousand, eight hundred eighty-four".