30553125 has 24 divisors (see below), whose sum is σ = 50934240. Its totient is φ = 16290000.

The previous prime is 30553111. The next prime is 30553129. The reversal of 30553125 is 52135503.

It is not a de Polignac number, because 30553125 - 2⁴ = 30553109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30553095 and 30553104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553129) 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 23 ways as a sum of consecutive naturals, for example, 7746 + ... + 11004.

It is an arithmetic number, because the mean of its divisors is an integer number (2122260).

Almost surely, 2^30553125 is an apocalyptic number.

It is an amenable number.

30553125 is a deficient number, since it is larger than the sum of its proper divisors (20381115).

30553125 is an frugal number, since it uses more digits than its factorization.

30553125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 30553125 is about 5527.4881275313. The cubic root of 30553125 is about 312.6212862541.

Adding to 30553125 its reverse (52135503), we get a palindrome (82688628).

The spelling of 30553125 in words is "thirty million, five hundred fifty-three thousand, one hundred twenty-five".