30500005505 has 4 divisors (see below), whose sum is σ = 36600006612. Its totient is φ = 24400004400.

The previous prime is 30500005477. The next prime is 30500005517. The reversal of 30500005505 is 50550000503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50550000503 = 487 ⋅103798769.

It can be written as a sum of positive squares in 2 ways, for example, as 17164144144 + 13335861361 = 131012^2 + 115481^2 .

It is not a de Polignac number, because 30500005505 - 2¹⁰ = 30500004481 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, 3050000546 + ... + 3050000555.

It is an arithmetic number, because the mean of its divisors is an integer number (9150001653).

Almost surely, 2^30500005505 is an apocalyptic number.

It is an amenable number.

30500005505 is a deficient number, since it is larger than the sum of its proper divisors (6100001107).

30500005505 is an equidigital number, since it uses as much as digits as its factorization.

30500005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100001106.

The product of its (nonzero) digits is 1875, while the sum is 23.

The spelling of 30500005505 in words is "thirty billion, five hundred million, five thousand, five hundred five".