30055645 has 8 divisors (see below), whose sum is σ = 36147456. Its totient is φ = 23990736.

The previous prime is 30055621. The next prime is 30055651. The reversal of 30055645 is 54655003.

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 30055645 - 2⁷ = 30055517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4177 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (4518432).

Almost surely, 2^30055645 is an apocalyptic number.

It is an amenable number.

30055645 is a deficient number, since it is larger than the sum of its proper divisors (6091811).

30055645 is a wasteful number, since it uses less digits than its factorization.

30055645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 30055645 is about 5482.3028920336. The cubic root of 30055645 is about 310.9152452191.

It can be divided in two parts, 300 and 55645, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 30055645 in words is "thirty million, fifty-five thousand, six hundred forty-five".