551665555010 has 8 divisors (see below), whose sum is σ = 992997999036. Its totient is φ = 220666222000.

The previous prime is 551665554991. The next prime is 551665555031. The reversal of 551665555010 is 10555566155.

It can be written as a sum of positive squares in 2 ways, for example, as 551539419649 + 126135361 = 742657^2 + 11231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×551665555010² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27583277741 + ... + 27583277760.

Almost surely, 2^551665555010 is an apocalyptic number.

551665555010 is a deficient number, since it is larger than the sum of its proper divisors (441332444026).

551665555010 is a wasteful number, since it uses less digits than its factorization.

551665555010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55166555508.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 551665555010 in words is "five hundred fifty-one billion, six hundred sixty-five million, five hundred fifty-five thousand, ten".