54040442171577 has 4 divisors (see below), whose sum is σ = 72053922895440. Its totient is φ = 36026961447716.

The previous prime is 54040442171489. The next prime is 54040442171591. The reversal of 54040442171577 is 77517124404045.

54040442171577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54040442171577 - 2¹⁹ = 54040441647289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54040440171577) 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 3 ways as a sum of consecutive naturals, for example, 9006740361927 + ... + 9006740361932.

It is an arithmetic number, because the mean of its divisors is an integer number (18013480723860).

Almost surely, 2^{54040442171577} is an apocalyptic number.

It is an amenable number.

54040442171577 is a deficient number, since it is larger than the sum of its proper divisors (18013480723863).

54040442171577 is a wasteful number, since it uses less digits than its factorization.

54040442171577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013480723862.

The product of its (nonzero) digits is 4390400, while the sum is 51.

The spelling of 54040442171577 in words is "fifty-four trillion, forty billion, four hundred forty-two million, one hundred seventy-one thousand, five hundred seventy-seven".