55500010011 has 12 divisors (see below), whose sum is σ = 80202041920. Its totient is φ = 36983686320.

The previous prime is 55500009991. The next prime is 55500010057. The reversal of 55500010011 is 11001000555.

55500010011 is a `hidden beast` number, since 5 + 550 + 0 + 0 + 100 + 11 = 666.

It is not a de Polignac number, because 55500010011 - 2¹³ = 55500001819 is a prime.

It is a super-2 number, since 2×55500010011² (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 (55500010711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1338475 + ... + 1379316.

Almost surely, 2^55500010011 is an apocalyptic number.

55500010011 is a deficient number, since it is larger than the sum of its proper divisors (24702031909).

55500010011 is a wasteful number, since it uses less digits than its factorization.

55500010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720066 (or 2720063 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 55500010011 its reverse (11001000555), we get a palindrome (66501010566).

The spelling of 55500010011 in words is "fifty-five billion, five hundred million, ten thousand, eleven".