552166145 has 4 divisors (see below), whose sum is σ = 662599380. Its totient is φ = 441732912.

The previous prime is 552166127. The next prime is 552166157. The reversal of 552166145 is 541661255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 414244609 + 137921536 = 20353^2 + 11744^2 .

It is a cyclic number.

It is not a de Polignac number, because 552166145 - 2²⁰ = 551117569 is a prime.

It is a super-2 number, since 2×552166145² = 609774903368322050, which contains 22 as substring.

It is an unprimeable number.

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, 55216610 + ... + 55216619.

It is an arithmetic number, because the mean of its divisors is an integer number (165649845).

Almost surely, 2^552166145 is an apocalyptic number.

It is an amenable number.

552166145 is a deficient number, since it is larger than the sum of its proper divisors (110433235).

552166145 is a wasteful number, since it uses less digits than its factorization.

552166145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110433234.

The product of its digits is 36000, while the sum is 35.

The square root of 552166145 is about 23498.2157833313. The cubic root of 552166145 is about 820.3954789735.

The spelling of 552166145 in words is "five hundred fifty-two million, one hundred sixty-six thousand, one hundred forty-five".