551052866 has 16 divisors (see below), whose sum is σ = 1017328704. Its totient is φ = 217998864.

The previous prime is 551052767. The next prime is 551052881. The reversal of 551052866 is 668250155.

It is a super-2 number, since 2×551052866² = 607318522253627912, 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 7 ways as a sum of consecutive naturals, for example, 1513700 + ... + 1514063.

It is an arithmetic number, because the mean of its divisors is an integer number (63583044).

Almost surely, 2^551052866 is an apocalyptic number.

551052866 is a deficient number, since it is larger than the sum of its proper divisors (466275838).

551052866 is a wasteful number, since it uses less digits than its factorization.

551052866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027785.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 551052866 is about 23474.5152452612. The cubic root of 551052866 is about 819.8437467493.

The spelling of 551052866 in words is "five hundred fifty-one million, fifty-two thousand, eight hundred sixty-six".