30005502755 has 4 divisors (see below), whose sum is σ = 36006603312. Its totient is φ = 24004402200.

The previous prime is 30005502731. The next prime is 30005502781. The reversal of 30005502755 is 55720550003.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30005502755 - 2⁶ = 30005502691 is a prime.

It is a Duffinian 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, 3000550271 + ... + 3000550280.

It is an arithmetic number, because the mean of its divisors is an integer number (9001650828).

Almost surely, 2^30005502755 is an apocalyptic number.

30005502755 is a deficient number, since it is larger than the sum of its proper divisors (6001100557).

30005502755 is an equidigital number, since it uses as much as digits as its factorization.

30005502755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001100556.

The product of its (nonzero) digits is 26250, while the sum is 32.

The spelling of 30005502755 in words is "thirty billion, five million, five hundred two thousand, seven hundred fifty-five".