550115165501 has 8 divisors (see below), whose sum is σ = 614762846208. Its totient is φ = 487907020000.

The previous prime is 550115165491. The next prime is 550115165521. The reversal of 550115165501 is 105561511055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550115165501 is a prime.

It is a super-3 number, since 3×550115165501³ (a number of 36 digits) contains 333 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 (550115165521) 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, 609883325 + ... + 609884226.

It is an arithmetic number, because the mean of its divisors is an integer number (76845355776).

Almost surely, 2^550115165501 is an apocalyptic number.

It is an amenable number.

550115165501 is a deficient number, since it is larger than the sum of its proper divisors (64647680707).

550115165501 is a wasteful number, since it uses less digits than its factorization.

550115165501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219767603.

The product of its (nonzero) digits is 18750, while the sum is 35.

Adding to 550115165501 its reverse (105561511055), we get a palindrome (655676676556).

The spelling of 550115165501 in words is "five hundred fifty billion, one hundred fifteen million, one hundred sixty-five thousand, five hundred one".