30348055 has 4 divisors (see below), whose sum is σ = 36417672. Its totient is φ = 24278440.

The previous prime is 30348053. The next prime is 30348083. The reversal of 30348055 is 55084303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55084303 = 31 ⋅1776913.

It is not a de Polignac number, because 30348055 - 2¹ = 30348053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30348053) 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, 3034801 + ... + 3034810.

It is an arithmetic number, because the mean of its divisors is an integer number (9104418).

Almost surely, 2^30348055 is an apocalyptic number.

30348055 is a deficient number, since it is larger than the sum of its proper divisors (6069617).

30348055 is an equidigital number, since it uses as much as digits as its factorization.

30348055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069616.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 30348055 is about 5508.9068788644. The cubic root of 30348055 is about 311.9202863142.

The spelling of 30348055 in words is "thirty million, three hundred forty-eight thousand, fifty-five".