54638527383781 has 8 divisors (see below), whose sum is σ = 59843139013728. Its totient is φ = 49473494550000.

The previous prime is 54638527383743. The next prime is 54638527383793. The reversal of 54638527383781 is 18738372583645.

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 54638527383781 - 2³⁷ = 54501088430309 is a prime.

It is a super-2 number, since 2×54638527383781² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54638527383781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54638527384781) 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, 9894696150 + ... + 9894701671.

It is an arithmetic number, because the mean of its divisors is an integer number (7480392376716).

Almost surely, 2^{54638527383781} is an apocalyptic number.

It is an amenable number.

54638527383781 is a deficient number, since it is larger than the sum of its proper divisors (5204611629947).

54638527383781 is a wasteful number, since it uses less digits than its factorization.

54638527383781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19789398083.

The product of its digits is 812851200, while the sum is 70.

The spelling of 54638527383781 in words is "fifty-four trillion, six hundred thirty-eight billion, five hundred twenty-seven million, three hundred eighty-three thousand, seven hundred eighty-one".