552991042566 has 48 divisors (see below), whose sum is σ = 1261404930240. Its totient is φ = 174601433520.

The previous prime is 552991042463. The next prime is 552991042577. The reversal of 552991042566 is 665240199255.

552991042566 is a `hidden beast` number, since 5 + 5 + 29 + 9 + 10 + 42 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2121361 + ... + 2367731.

It is an arithmetic number, because the mean of its divisors is an integer number (26279269380).

Almost surely, 2^552991042566 is an apocalyptic number.

552991042566 is an abundant number, since it is smaller than the sum of its proper divisors (708413887674).

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

552991042566 is a wasteful number, since it uses less digits than its factorization.

552991042566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252961 (or 252958 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 552991042566 in words is "five hundred fifty-two billion, nine hundred ninety-one million, forty-two thousand, five hundred sixty-six".