30552290 has 8 divisors (see below), whose sum is σ = 54994140. Its totient is φ = 12220912.

The previous prime is 30552289. The next prime is 30552299. The reversal of 30552290 is 9225503.

It can be written as a sum of positive squares in 2 ways, for example, as 28121809 + 2430481 = 5303^2 + 1559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30552299) 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 3 ways as a sum of consecutive naturals, for example, 1527605 + ... + 1527624.

Almost surely, 2^30552290 is an apocalyptic number.

30552290 is a deficient number, since it is larger than the sum of its proper divisors (24441850).

30552290 is a wasteful number, since it uses less digits than its factorization.

30552290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055236.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 30552290 is about 5527.4125954193. The cubic root of 30552290 is about 312.6184383059.

Adding to 30552290 its reverse (9225503), we get a palindrome (39777793).

The spelling of 30552290 in words is "thirty million, five hundred fifty-two thousand, two hundred ninety".