54658685645 has 8 divisors (see below), whose sum is σ = 65595957504. Its totient is φ = 43723258704.

The previous prime is 54658685633. The next prime is 54658685681.

It is a happy number.

54658685645 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 54658685645 - 2⁶ = 54658685581 is a prime.

It is a super-3 number, since 3×54658685645³ (a number of 33 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 395189 + ... + 515258.

It is an arithmetic number, because the mean of its divisors is an integer number (8199494688).

Almost surely, 2^54658685645 is an apocalyptic number.

It is an amenable number.

54658685645 is a deficient number, since it is larger than the sum of its proper divisors (10937271859).

54658685645 is a wasteful number, since it uses less digits than its factorization.

54658685645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922459.

The product of its digits is 138240000, while the sum is 62.

The spelling of 54658685645 in words is "fifty-four billion, six hundred fifty-eight million, six hundred eighty-five thousand, six hundred forty-five".