550045545501 has 16 divisors (see below), whose sum is σ = 735506868096. Its totient is φ = 365641020096.

The previous prime is 550045545461. The next prime is 550045545527. The reversal of 550045545501 is 105545540055.

It is not a de Polignac number, because 550045545501 - 2⁶ = 550045545437 is a prime.

It is a super-2 number, since 2×550045545501² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550045545501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550045545571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5887711 + ... + 5980403.

It is an arithmetic number, because the mean of its divisors is an integer number (45969179256).

Almost surely, 2^550045545501 is an apocalyptic number.

It is an amenable number.

550045545501 is a deficient number, since it is larger than the sum of its proper divisors (185461322595).

550045545501 is a wasteful number, since it uses less digits than its factorization.

550045545501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98372.

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 550045545501 in words is "five hundred fifty billion, forty-five million, five hundred forty-five thousand, five hundred one".