30005055553 has 4 divisors (see below), whose sum is σ = 32732787888. Its totient is φ = 27277323220.

The previous prime is 30005055541. The next prime is 30005055601. The reversal of 30005055553 is 35555050003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30005055553 is a prime.

It is a super-2 number, since 2×30005055553² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30005055503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363866151 + ... + 1363866172.

It is an arithmetic number, because the mean of its divisors is an integer number (8183196972).

Almost surely, 2^30005055553 is an apocalyptic number.

It is an amenable number.

30005055553 is a deficient number, since it is larger than the sum of its proper divisors (2727732335).

30005055553 is a wasteful number, since it uses less digits than its factorization.

30005055553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727732334.

The product of its (nonzero) digits is 28125, while the sum is 31.

The spelling of 30005055553 in words is "thirty billion, five million, fifty-five thousand, five hundred fifty-three".