551971466 has 16 divisors (see below), whose sum is σ = 840829248. Its totient is φ = 271706400.

The previous prime is 551971463. The next prime is 551971547. The reversal of 551971466 is 664179155.

It is not an unprimeable number, because it can be changed into a prime (551971463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112766 + ... + 117558.

It is an arithmetic number, because the mean of its divisors is an integer number (52551828).

Almost surely, 2^551971466 is an apocalyptic number.

551971466 is a deficient number, since it is larger than the sum of its proper divisors (288857782).

551971466 is a wasteful number, since it uses less digits than its factorization.

551971466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its digits is 226800, while the sum is 44.

The square root of 551971466 is about 23494.0729972476. The cubic root of 551971466 is about 820.2990511459.

The spelling of 551971466 in words is "five hundred fifty-one million, nine hundred seventy-one thousand, four hundred sixty-six".