5650665551 has 4 divisors (see below), whose sum is σ = 5788486704. Its totient is φ = 5512844400.

The previous prime is 5650665541. The next prime is 5650665577. The reversal of 5650665551 is 1555660565.

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

It is a cyclic number.

It is not a de Polignac number, because 5650665551 - 2¹⁴ = 5650649167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5650665541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68910515 + ... + 68910596.

It is an arithmetic number, because the mean of its divisors is an integer number (1447121676).

Almost surely, 2^5650665551 is an apocalyptic number.

5650665551 is a deficient number, since it is larger than the sum of its proper divisors (137821153).

5650665551 is a wasteful number, since it uses less digits than its factorization.

5650665551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137821152.

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 5650665551 is about 75170.9089408928. The cubic root of 5650665551 is about 1781.1474265571.

The spelling of 5650665551 in words is "five billion, six hundred fifty million, six hundred sixty-five thousand, five hundred fifty-one".