30550553 has 8 divisors (see below), whose sum is σ = 33379680. Its totient is φ = 27730080.

The previous prime is 30550529. The next prime is 30550561. The reversal of 30550553 is 35505503.

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 30550553 - 2⁶ = 30550489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30550523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6893 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (4172460).

Almost surely, 2^30550553 is an apocalyptic number.

It is an amenable number.

30550553 is a deficient number, since it is larger than the sum of its proper divisors (2829127).

30550553 is a wasteful number, since it uses less digits than its factorization.

30550553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327.

The product of its (nonzero) digits is 5625, while the sum is 26.

The square root of 30550553 is about 5527.2554672278. The cubic root of 30550553 is about 312.6125137253.

The spelling of 30550553 in words is "thirty million, five hundred fifty thousand, five hundred fifty-three".