30055532 has 24 divisors (see below), whose sum is σ = 56977200. Its totient is φ = 13790016.

The previous prime is 30055517. The next prime is 30055537. The reversal of 30055532 is 23555003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30055498 and 30055507.

It is not an unprimeable number, because it can be changed into a prime (30055537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7694 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (2374050).

Almost surely, 2^30055532 is an apocalyptic number.

It is an amenable number.

30055532 is a deficient number, since it is larger than the sum of its proper divisors (26921668).

30055532 is a wasteful number, since it uses less digits than its factorization.

30055532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3423 counting only the distinct ones).

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

The square root of 30055532 is about 5482.2925861358. The cubic root of 30055532 is about 310.9148555700.

It can be divided in two parts, 3005553 and 2, that multiplied together give a palindrome (6011106).

The spelling of 30055532 in words is "thirty million, fifty-five thousand, five hundred thirty-two".