54194154509 has 8 divisors (see below), whose sum is σ = 59123281152. Its totient is φ = 49265425440.

The previous prime is 54194154503. The next prime is 54194154569. The reversal of 54194154509 is 90545149145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54194154509 - 2⁴ = 54194154493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54194154503) 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 7 ways as a sum of consecutive naturals, for example, 234377 + ... + 404129.

It is an arithmetic number, because the mean of its divisors is an integer number (7390410144).

Almost surely, 2^54194154509 is an apocalyptic number.

It is an amenable number.

54194154509 is a deficient number, since it is larger than the sum of its proper divisors (4929126643).

54194154509 is a wasteful number, since it uses less digits than its factorization.

54194154509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198787.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 54194154509 in words is "fifty-four billion, one hundred ninety-four million, one hundred fifty-four thousand, five hundred nine".