30555026 has 32 divisors (see below), whose sum is σ = 49387008. Its totient is φ = 14152320.

The previous prime is 30555023. The next prime is 30555037. The reversal of 30555026 is 62055503.

It is a super-2 number, since 2×30555026² = 1867219227721352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30554986 and 30555004.

It is not an unprimeable number, because it can be changed into a prime (30555023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 194540 + ... + 194696.

It is an arithmetic number, because the mean of its divisors is an integer number (1543344).

Almost surely, 2^30555026 is an apocalyptic number.

30555026 is a deficient number, since it is larger than the sum of its proper divisors (18831982).

30555026 is a wasteful number, since it uses less digits than its factorization.

30555026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 30555026 is about 5527.6600836159. The cubic root of 30555026 is about 312.6277698325.

The spelling of 30555026 in words is "thirty million, five hundred fifty-five thousand, twenty-six".