30556106 has 24 divisors (see below), whose sum is σ = 56456676. Its totient is φ = 12324480.

The previous prime is 30556081. The next prime is 30556133. The reversal of 30556106 is 60165503.

It can be written as a sum of positive squares in 2 ways, for example, as 30349081 + 207025 = 5509^2 + 455^2 .

It is a super-2 number, since 2×30556106² = 1867351227766472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7505 + ... + 10836.

Almost surely, 2^30556106 is an apocalyptic number.

30556106 is a deficient number, since it is larger than the sum of its proper divisors (25900570).

30556106 is a wasteful number, since it uses less digits than its factorization.

30556106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18374 (or 18367 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 30556106 is about 5527.7577732748. The cubic root of 30556106 is about 312.6314531764.

The spelling of 30556106 in words is "thirty million, five hundred fifty-six thousand, one hundred six".