566550394 has 16 divisors (see below), whose sum is σ = 855943200. Its totient is φ = 281241424.

The previous prime is 566550377. The next prime is 566550407. The reversal of 566550394 is 493055665.

It is a self number, because there is not a number n which added to its sum of digits gives 566550394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396309 + ... + 397735.

It is an arithmetic number, because the mean of its divisors is an integer number (53496450).

Almost surely, 2^566550394 is an apocalyptic number.

566550394 is a deficient number, since it is larger than the sum of its proper divisors (289392806).

566550394 is a wasteful number, since it uses less digits than its factorization.

566550394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 566550394 is about 23802.3190886939. The cubic root of 566550394 is about 827.4584245411.

The spelling of 566550394 in words is "five hundred sixty-six million, five hundred fifty thousand, three hundred ninety-four".