552138330 has 32 divisors (see below), whose sum is σ = 1325808000. Its totient is φ = 147161792.

The previous prime is 552138329. The next prime is 552138331. The reversal of 552138330 is 33831255.

552138330 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (552138329) and next prime (552138331).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (552138331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80371 + ... + 86969.

It is an arithmetic number, because the mean of its divisors is an integer number (41431500).

Almost surely, 2^552138330 is an apocalyptic number.

552138330 is an abundant number, since it is smaller than the sum of its proper divisors (773669670).

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

552138330 is a wasteful number, since it uses less digits than its factorization.

552138330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 552138330 is about 23497.6239224310. The cubic root of 552138330 is about 820.3817031177.

Adding to 552138330 its reverse (33831255), we get a palindrome (585969585).

The spelling of 552138330 in words is "five hundred fifty-two million, one hundred thirty-eight thousand, three hundred thirty".