54057266327221 has 4 divisors (see below), whose sum is σ = 55518273525292. Its totient is φ = 52596259129152.

The previous prime is 54057266327161. The next prime is 54057266327243. The reversal of 54057266327221 is 12272366275045.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28242432838321 + 25814833488900 = 5314361^2 + 5080830^2 .

It is a cyclic number.

It is not a de Polignac number, because 54057266327221 - 2⁷ = 54057266327093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54057266327921) 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 3 ways as a sum of consecutive naturals, for example, 730503598980 + ... + 730503599053.

It is an arithmetic number, because the mean of its divisors is an integer number (13879568381323).

Almost surely, 2^{54057266327221} is an apocalyptic number.

It is an amenable number.

54057266327221 is a deficient number, since it is larger than the sum of its proper divisors (1461007198071).

54057266327221 is a wasteful number, since it uses less digits than its factorization.

54057266327221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461007198070.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 54057266327221 in words is "fifty-four trillion, fifty-seven billion, two hundred sixty-six million, three hundred twenty-seven thousand, two hundred twenty-one".