55055512211 has 8 divisors (see below), whose sum is σ = 64455234144. Its totient is φ = 46039452480.

The previous prime is 55055512199. The next prime is 55055512271. The reversal of 55055512211 is 11221555055.

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

It is not a de Polignac number, because 55055512211 - 2⁶ = 55055512147 is a prime.

It is a super-2 number, since 2×55055512211² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055512271) 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, 95915240 + ... + 95915813.

It is an arithmetic number, because the mean of its divisors is an integer number (8056904268).

Almost surely, 2^55055512211 is an apocalyptic number.

55055512211 is a deficient number, since it is larger than the sum of its proper divisors (9399721933).

55055512211 is a wasteful number, since it uses less digits than its factorization.

55055512211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191831101.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 55055512211 in words is "fifty-five billion, fifty-five million, five hundred twelve thousand, two hundred eleven".