33240554 has 16 divisors (see below), whose sum is σ = 51791400. Its totient is φ = 15981504.

The previous prime is 33240553. The next prime is 33240563. The reversal of 33240554 is 45504233.

It can be written as a sum of positive squares in 4 ways, for example, as 17850625 + 15389929 = 4225^2 + 3923^2 .

It is a super-2 number, since 2×33240554² = 2209868860453832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33240551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15032 + ... + 17100.

Almost surely, 2^33240554 is an apocalyptic number.

33240554 is a deficient number, since it is larger than the sum of its proper divisors (18550846).

33240554 is a wasteful number, since it uses less digits than its factorization.

33240554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 33240554 is about 5765.4621670773. The cubic root of 33240554 is about 321.5309258700.

Adding to 33240554 its reverse (45504233), we get a palindrome (78744787).

The spelling of 33240554 in words is "thirty-three million, two hundred forty thousand, five hundred fifty-four".