55550500011 has 6 divisors (see below), whose sum is σ = 80239611140. Its totient is φ = 37033666668.

The previous prime is 55550499997. The next prime is 55550500043. The reversal of 55550500011 is 11000505555.

55550500011 is a `hidden beast` number, since 55 + 550 + 50 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 55550500011 - 2⁶ = 55550499947 is a prime.

It is a super-2 number, since 2×55550500011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55550502011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086138881 + ... + 3086138898.

Almost surely, 2^55550500011 is an apocalyptic number.

55550500011 is a deficient number, since it is larger than the sum of its proper divisors (24689111129).

55550500011 is a wasteful number, since it uses less digits than its factorization.

55550500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172277785 (or 6172277782 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 55550500011 in words is "fifty-five billion, five hundred fifty million, five hundred thousand, eleven".