552206566571 has 4 divisors (see below), whose sum is σ = 602407163544. Its totient is φ = 502005969600.

The previous prime is 552206566559. The next prime is 552206566579. The reversal of 552206566571 is 175665602255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552206566571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552206566579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25100298470 + ... + 25100298491.

It is an arithmetic number, because the mean of its divisors is an integer number (150601790886).

Almost surely, 2^552206566571 is an apocalyptic number.

552206566571 is a deficient number, since it is larger than the sum of its proper divisors (50200596973).

552206566571 is a wasteful number, since it uses less digits than its factorization.

552206566571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50200596972.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 552206566571 in words is "five hundred fifty-two billion, two hundred six million, five hundred sixty-six thousand, five hundred seventy-one".