55154027211 has 8 divisors (see below), whose sum is σ = 73760875584. Its totient is φ = 36658265160.

The previous prime is 55154027207. The next prime is 55154027249. The reversal of 55154027211 is 11272045155.

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

It is not a de Polignac number, because 55154027211 - 2² = 55154027207 is a prime.

It is a super-3 number, since 3×55154027211³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55154027111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27770421 + ... + 27772406.

It is an arithmetic number, because the mean of its divisors is an integer number (9220109448).

Almost surely, 2^55154027211 is an apocalyptic number.

55154027211 is a deficient number, since it is larger than the sum of its proper divisors (18606848373).

55154027211 is a wasteful number, since it uses less digits than its factorization.

55154027211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55543161.

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 55154027211 in words is "fifty-five billion, one hundred fifty-four million, twenty-seven thousand, two hundred eleven".