552131540 has 12 divisors (see below), whose sum is σ = 1159476276. Its totient is φ = 220852608.

The previous prime is 552131539. The next prime is 552131579. The reversal of 552131540 is 45131255.

552131540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71031184 + 481100356 = 8428^2 + 21934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13803269 + ... + 13803308.

It is an arithmetic number, because the mean of its divisors is an integer number (96623023).

Almost surely, 2^552131540 is an apocalyptic number.

It is an amenable number.

552131540 is an abundant number, since it is smaller than the sum of its proper divisors (607344736).

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

552131540 is a wasteful number, since it uses less digits than its factorization.

552131540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27606586 (or 27606584 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 552131540 is about 23497.4794392931. The cubic root of 552131540 is about 820.3783401836.

Adding to 552131540 its reverse (45131255), we get a palindrome (597262795).

The spelling of 552131540 in words is "five hundred fifty-two million, one hundred thirty-one thousand, five hundred forty".