30530955 has 32 divisors (see below), whose sum is σ = 60125184. Its totient is φ = 12882816.

The previous prime is 30530921. The next prime is 30530971. The reversal of 30530955 is 55903503.

It is not a de Polignac number, because 30530955 - 2⁸ = 30530699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9819 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (1878912).

Almost surely, 2^30530955 is an apocalyptic number.

30530955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30530955 is a deficient number, since it is larger than the sum of its proper divisors (29594229).

30530955 is a wasteful number, since it uses less digits than its factorization.

30530955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22395.

The product of its (nonzero) digits is 10125, while the sum is 30.

The square root of 30530955 is about 5525.4823318874. The cubic root of 30530955 is about 312.5456530636.

The spelling of 30530955 in words is "thirty million, five hundred thirty thousand, nine hundred fifty-five".