5501730861 has 12 divisors (see below), whose sum is σ = 8669394240. Its totient is φ = 3334382280.

The previous prime is 5501730823. The next prime is 5501730881. The reversal of 5501730861 is 1680371055.

5501730861 is a `hidden beast` number, since 5 + 501 + 73 + 0 + 86 + 1 = 666.

It is not a de Polignac number, because 5501730861 - 2¹⁸ = 5501468717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501730811) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 27786421 + ... + 27786618.

It is an arithmetic number, because the mean of its divisors is an integer number (722449520).

Almost surely, 2^5501730861 is an apocalyptic number.

It is an amenable number.

5501730861 is a deficient number, since it is larger than the sum of its proper divisors (3167663379).

5501730861 is a wasteful number, since it uses less digits than its factorization.

5501730861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55573056 (or 55573053 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 5501730861 is about 74173.6534154817. The cubic root of 5501730861 is about 1765.3593161892.

The spelling of 5501730861 in words is "five billion, five hundred one million, seven hundred thirty thousand, eight hundred sixty-one".