30240552 has 128 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 8690688.

The previous prime is 30240547. The next prime is 30240559. The reversal of 30240552 is 25504203.

It is not an unprimeable number, because it can be changed into a prime (30240559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364303 + ... + 364385.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^30240552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30240552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43545600).

30240552 is an abundant number, since it is smaller than the sum of its proper divisors (56850648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30240552 is a wasteful number, since it uses less digits than its factorization.

30240552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30240552 is about 5499.1410238327. The cubic root of 30240552 is about 311.5515417720.

Adding to 30240552 its reverse (25504203), we get a palindrome (55744755).

The spelling of 30240552 in words is "thirty million, two hundred forty thousand, five hundred fifty-two".