30054975 has 24 divisors (see below), whose sum is σ = 50635152. Its totient is φ = 15724800.

The previous prime is 30054971. The next prime is 30054977. The reversal of 30054975 is 57945003.

It is not a de Polignac number, because 30054975 - 2² = 30054971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30054971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195 + ... + 7755.

It is an arithmetic number, because the mean of its divisors is an integer number (2109798).

Almost surely, 2^30054975 is an apocalyptic number.

30054975 is a deficient number, since it is larger than the sum of its proper divisors (20580177).

30054975 is a wasteful number, since it uses less digits than its factorization.

30054975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627 (or 7622 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 30054975 is about 5482.2417859850. The cubic root of 30054975 is about 310.9129348959.

Adding to 30054975 its reverse (57945003), we get a palindrome (87999978).

The spelling of 30054975 in words is "thirty million, fifty-four thousand, nine hundred seventy-five".