30102055 has 8 divisors (see below), whose sum is σ = 37693152. Its totient is φ = 23034528.

The previous prime is 30102047. The next prime is 30102071. The reversal of 30102055 is 55020103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30102055 - 2³ = 30102047 is a prime.

It is a super-2 number, since 2×30102055² = 1812267430446050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130764 + ... + 130993.

It is an arithmetic number, because the mean of its divisors is an integer number (4711644).

Almost surely, 2^30102055 is an apocalyptic number.

30102055 is a deficient number, since it is larger than the sum of its proper divisors (7591097).

30102055 is a wasteful number, since it uses less digits than its factorization.

30102055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261785.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 30102055 is about 5486.5339696388. The cubic root of 30102055 is about 311.0751947153.

Adding to 30102055 its reverse (55020103), we get a palindrome (85122158).

The spelling of 30102055 in words is "thirty million, one hundred two thousand, fifty-five".