54181578173690 has 16 divisors (see below), whose sum is σ = 106392917141280. Its totient is φ = 19702392063120.

The previous prime is 54181578173687. The next prime is 54181578173707. The reversal of 54181578173690 is 9637187518145.

54181578173690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54181578173690² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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, 246279900680 + ... + 246279900899.

It is an arithmetic number, because the mean of its divisors is an integer number (6649557321330).

Almost surely, 2^{54181578173690} is an apocalyptic number.

54181578173690 is a deficient number, since it is larger than the sum of its proper divisors (52211338967590).

54181578173690 is a wasteful number, since it uses less digits than its factorization.

54181578173690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492559801597.

The product of its (nonzero) digits is 50803200, while the sum is 65.

The spelling of 54181578173690 in words is "fifty-four trillion, one hundred eighty-one billion, five hundred seventy-eight million, one hundred seventy-three thousand, six hundred ninety".