552640545 has 12 divisors (see below), whose sum is σ = 957910356. Its totient is φ = 294741600.

The previous prime is 552640537. The next prime is 552640609. The reversal of 552640545 is 545046255.

552640545 is a `hidden beast` number, since 5 + 5 + 2 + 640 + 5 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 269189649 + 283450896 = 16407^2 + 16836^2 .

It is not a de Polignac number, because 552640545 - 2³ = 552640537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6140406 + ... + 6140495.

It is an arithmetic number, because the mean of its divisors is an integer number (79825863).

Almost surely, 2^552640545 is an apocalyptic number.

It is an amenable number.

552640545 is a deficient number, since it is larger than the sum of its proper divisors (405269811).

552640545 is a wasteful number, since it uses less digits than its factorization.

552640545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280912 (or 12280909 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 552640545 is about 23508.3079995137. The cubic root of 552640545 is about 820.6303625082.

The spelling of 552640545 in words is "five hundred fifty-two million, six hundred forty thousand, five hundred forty-five".