550599505501 has 8 divisors (see below), whose sum is σ = 573878849024. Its totient is φ = 527665041360.

The previous prime is 550599505499. The next prime is 550599505543. The reversal of 550599505501 is 105505995055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 550599505501 - 2¹ = 550599505499 is a prime.

It is a super-2 number, since 2×550599505501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550599505571) 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 7 ways as a sum of consecutive naturals, for example, 86216586 + ... + 86222971.

It is an arithmetic number, because the mean of its divisors is an integer number (71734856128).

Almost surely, 2^550599505501 is an apocalyptic number.

It is an amenable number.

550599505501 is a deficient number, since it is larger than the sum of its proper divisors (23279343523).

550599505501 is a wasteful number, since it uses less digits than its factorization.

550599505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172439691.

The product of its (nonzero) digits is 1265625, while the sum is 49.

The spelling of 550599505501 in words is "five hundred fifty billion, five hundred ninety-nine million, five hundred five thousand, five hundred one".