551354066 has 4 divisors (see below), whose sum is σ = 827031102. Its totient is φ = 275677032.

The previous prime is 551354059. The next prime is 551354093. The reversal of 551354066 is 660453155.

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

It can be written as a sum of positive squares in only one way, i.e., 280060225 + 271293841 = 16735^2 + 16471^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 137838515 + ... + 137838518.

Almost surely, 2^551354066 is an apocalyptic number.

551354066 is a deficient number, since it is larger than the sum of its proper divisors (275677036).

551354066 is a wasteful number, since it uses less digits than its factorization.

551354066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275677035.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 551354066 is about 23480.9298367846. The cubic root of 551354066 is about 819.9930923471.

The spelling of 551354066 in words is "five hundred fifty-one million, three hundred fifty-four thousand, sixty-six".