30530552 has 32 divisors (see below), whose sum is σ = 62060880. Its totient is φ = 13996800.

The previous prime is 30530551. The next prime is 30530557. The reversal of 30530552 is 25503503.

It is a happy number.

It is a super-2 number, since 2×30530552² = 1864229210849408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16052 + ... + 17852.

Almost surely, 2^30530552 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 30530552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31030440).

30530552 is an abundant number, since it is smaller than the sum of its proper divisors (31530328).

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

30530552 is a wasteful number, since it uses less digits than its factorization.

30530552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 30530552 is about 5525.4458643624. The cubic root of 30530552 is about 312.5442778860.

The spelling of 30530552 in words is "thirty million, five hundred thirty thousand, five hundred fifty-two".