30132755 has 16 divisors (see below), whose sum is σ = 38833344. Its totient is φ = 22364160.

The previous prime is 30132749. The next prime is 30132757. The reversal of 30132755 is 55723103.

It is not a de Polignac number, because 30132755 - 2²⁰ = 29084179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30132757) 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 15 ways as a sum of consecutive naturals, for example, 3539 + ... + 8531.

It is an arithmetic number, because the mean of its divisors is an integer number (2427084).

Almost surely, 2^30132755 is an apocalyptic number.

30132755 is a deficient number, since it is larger than the sum of its proper divisors (8700589).

30132755 is a wasteful number, since it uses less digits than its factorization.

30132755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 30132755 is about 5489.3310157067. The cubic root of 30132755 is about 311.1809102414.

Adding to 30132755 its reverse (55723103), we get a palindrome (85855858).

The spelling of 30132755 in words is "thirty million, one hundred thirty-two thousand, seven hundred fifty-five".