30153055 has 4 divisors (see below), whose sum is σ = 36183672. Its totient is φ = 24122440.

The previous prime is 30153043. The next prime is 30153059. The reversal of 30153055 is 55035103.

It is a happy number.

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

It is not a de Polignac number, because 30153055 - 2¹¹ = 30151007 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30153059) 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, 3015301 + ... + 3015310.

It is an arithmetic number, because the mean of its divisors is an integer number (9045918).

Almost surely, 2^30153055 is an apocalyptic number.

30153055 is a deficient number, since it is larger than the sum of its proper divisors (6030617).

30153055 is an equidigital number, since it uses as much as digits as its factorization.

30153055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030616.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 30153055 is about 5491.1797457377. The cubic root of 30153055 is about 311.2507739103.

Adding to 30153055 its reverse (55035103), we get a palindrome (85188158).

The spelling of 30153055 in words is "thirty million, one hundred fifty-three thousand, fifty-five".