30521088 has 108 divisors (see below), whose sum is σ = 94862040. Its totient is φ = 9381888.

The previous prime is 30521059. The next prime is 30521093. The reversal of 30521088 is 88012503.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29443 + ... + 30461.

Almost surely, 2^30521088 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 30521088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47431020).

30521088 is an abundant number, since it is smaller than the sum of its proper divisors (64340952).

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

30521088 is a wasteful number, since it uses less digits than its factorization.

30521088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 30521088 is about 5524.5893965072. The cubic root of 30521088 is about 312.5119799141.

The spelling of 30521088 in words is "thirty million, five hundred twenty-one thousand, eighty-eight".