30505532 has 12 divisors (see below), whose sum is σ = 54116496. Its totient is φ = 15043680.

The previous prime is 30505529. The next prime is 30505543. The reversal of 30505532 is 23550503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30505498 and 30505507.

It is a congruent number.

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, 51944 + ... + 52527.

It is an arithmetic number, because the mean of its divisors is an integer number (4509708).

Almost surely, 2^30505532 is an apocalyptic number.

It is an amenable number.

30505532 is a deficient number, since it is larger than the sum of its proper divisors (23610964).

30505532 is a wasteful number, since it uses less digits than its factorization.

30505532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104548 (or 104546 counting only the distinct ones).

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

The square root of 30505532 is about 5523.1813296324. The cubic root of 30505532 is about 312.4588771488.

The spelling of 30505532 in words is "thirty million, five hundred five thousand, five hundred thirty-two".