54988888222211 has 4 divisors (see below), whose sum is σ = 54996801438000. Its totient is φ = 54980975006424.

The previous prime is 54988888222207. The next prime is 54988888222259. The reversal of 54988888222211 is 11222288888945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54988888222211 - 2² = 54988888222207 is a prime.

It is a super-2 number, since 2×54988888222211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54988888222111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956597471 + ... + 3956611368.

It is an arithmetic number, because the mean of its divisors is an integer number (13749200359500).

Almost surely, 2^{54988888222211} is an apocalyptic number.

54988888222211 is a deficient number, since it is larger than the sum of its proper divisors (7913215789).

54988888222211 is an equidigital number, since it uses as much as digits as its factorization.

54988888222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913215788.

The product of its digits is 94371840, while the sum is 68.

The spelling of 54988888222211 in words is "fifty-four trillion, nine hundred eighty-eight billion, eight hundred eighty-eight million, two hundred twenty-two thousand, two hundred eleven".