54639344393645 has 8 divisors (see below), whose sum is σ = 71527869024480. Its totient is φ = 39737705013520.

The previous prime is 54639344393617. The next prime is 54639344393681.

54639344393645 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 54639344393645 - 2⁶ = 54639344393581 is a prime.

It is a super-3 number, since 3×54639344393645³ (a number of 42 digits) contains 333 as substring.

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, 496721312615 + ... + 496721312724.

It is an arithmetic number, because the mean of its divisors is an integer number (8940983628060).

Almost surely, 2^{54639344393645} is an apocalyptic number.

54639344393645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54639344393645 is a deficient number, since it is larger than the sum of its proper divisors (16888524630835).

54639344393645 is a wasteful number, since it uses less digits than its factorization.

54639344393645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993442625355.

The product of its digits is 1511654400, while the sum is 68.

The spelling of 54639344393645 in words is "fifty-four trillion, six hundred thirty-nine billion, three hundred forty-four million, three hundred ninety-three thousand, six hundred forty-five".