54021348081 has 12 divisors (see below), whose sum is σ = 78075885108. Its totient is φ = 35993440224.

The previous prime is 54021348037. The next prime is 54021348109. The reversal of 54021348081 is 18084312045.

54021348081 is a `hidden beast` number, since 540 + 2 + 1 + 34 + 8 + 0 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37071651600 + 16949696481 = 192540^2 + 130191^2 .

It is not a de Polignac number, because 54021348081 - 2¹⁹ = 54020823793 is a prime.

It is a super-2 number, since 2×54021348081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54021348481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716190 + ... + 1747383.

It is an arithmetic number, because the mean of its divisors is an integer number (6506323759).

Almost surely, 2^54021348081 is an apocalyptic number.

It is an amenable number.

54021348081 is a deficient number, since it is larger than the sum of its proper divisors (24054537027).

54021348081 is a wasteful number, since it uses less digits than its factorization.

54021348081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465312 (or 3465309 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 54021348081 in words is "fifty-four billion, twenty-one million, three hundred forty-eight thousand, eighty-one".