550555055511 has 8 divisors (see below), whose sum is σ = 772708849920. Its totient is φ = 347718982392.

The previous prime is 550555055489. The next prime is 550555055513. The reversal of 550555055511 is 115550555055.

550555055511 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 550555055511 - 2⁶ = 550555055447 is a prime.

It is a super-2 number, since 2×550555055511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550555055513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4829430255 + ... + 4829430368.

It is an arithmetic number, because the mean of its divisors is an integer number (96588606240).

Almost surely, 2^550555055511 is an apocalyptic number.

550555055511 is a deficient number, since it is larger than the sum of its proper divisors (222153794409).

550555055511 is a wasteful number, since it uses less digits than its factorization.

550555055511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658860645.

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 550555055511 in words is "five hundred fifty billion, five hundred fifty-five million, fifty-five thousand, five hundred eleven".