54658999985645 has 16 divisors (see below), whose sum is σ = 72621564164928. Its totient is φ = 39158686554240.

The previous prime is 54658999985617. The next prime is 54658999985657.

It is a happy number.

54658999985645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54658999985645 - 2⁸ = 54658999985389 is a prime.

It is a super-3 number, since 3×54658999985645³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7416414224 + ... + 7416421593.

It is an arithmetic number, because the mean of its divisors is an integer number (4538847760308).

Almost surely, 2^{54658999985645} is an apocalyptic number.

54658999985645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54658999985645 is a deficient number, since it is larger than the sum of its proper divisors (17962564179283).

54658999985645 is a wasteful number, since it uses less digits than its factorization.

54658999985645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832835900.

The product of its digits is 151165440000, while the sum is 92.

The spelling of 54658999985645 in words is "fifty-four trillion, six hundred fifty-eight billion, nine hundred ninety-nine million, nine hundred eighty-five thousand, six hundred forty-five".