54227268981 has 24 divisors (see below), whose sum is σ = 81782213760. Its totient is φ = 34559248416.

The previous prime is 54227268959. The next prime is 54227268989. The reversal of 54227268981 is 18986272245.

54227268981 is a `hidden beast` number, since 5 + 422 + 72 + 68 + 98 + 1 = 666.

It is not a de Polignac number, because 54227268981 - 2²² = 54223074677 is a prime.

It is a super-2 number, since 2×54227268981² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54227268989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277120 + ... + 430406.

It is an arithmetic number, because the mean of its divisors is an integer number (3407592240).

Almost surely, 2^54227268981 is an apocalyptic number.

It is an amenable number.

54227268981 is a deficient number, since it is larger than the sum of its proper divisors (27554944779).

54227268981 is a wasteful number, since it uses less digits than its factorization.

54227268981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155025 (or 155022 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 54227268981 in words is "fifty-four billion, two hundred twenty-seven million, two hundred sixty-eight thousand, nine hundred eighty-one".