54065493381 has 8 divisors (see below), whose sum is σ = 73074822400. Its totient is φ = 35549913312.

The previous prime is 54065493379. The next prime is 54065493389. The reversal of 54065493381 is 18339456045.

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

It is not a de Polignac number, because 54065493381 - 2¹ = 54065493379 is a prime.

It is a super-2 number, since 2×54065493381² (a number of 22 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 54065493381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54065493389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123436981 + ... + 123437418.

It is an arithmetic number, because the mean of its divisors is an integer number (9134352800).

Almost surely, 2^54065493381 is an apocalyptic number.

It is an amenable number.

54065493381 is a deficient number, since it is larger than the sum of its proper divisors (19009329019).

54065493381 is a wasteful number, since it uses less digits than its factorization.

54065493381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246874475.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 54065493381 in words is "fifty-four billion, sixty-five million, four hundred ninety-three thousand, three hundred eighty-one".