5550752666 has 4 divisors (see below), whose sum is σ = 8326129002. Its totient is φ = 2775376332.

The previous prime is 5550752657. The next prime is 5550752689. The reversal of 5550752666 is 6662570555.

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., 4666939225 + 883813441 = 68315^2 + 29729^2 .

It is a super-2 number, since 2×5550752666² = 61621710318212215112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5550752666.

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, 1387688165 + ... + 1387688168.

Almost surely, 2^5550752666 is an apocalyptic number.

5550752666 is a deficient number, since it is larger than the sum of its proper divisors (2775376336).

5550752666 is a wasteful number, since it uses less digits than its factorization.

5550752666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775376335.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The square root of 5550752666 is about 74503.3735209353. The cubic root of 5550752666 is about 1770.5870849805.

The spelling of 5550752666 in words is "five billion, five hundred fifty million, seven hundred fifty-two thousand, six hundred sixty-six".