54002081 has 8 divisors (see below), whose sum is σ = 65347200. Its totient is φ = 43564608.

The previous prime is 54002021. The next prime is 54002087. The reversal of 54002081 is 18020045.

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

It is not a de Polignac number, because 54002081 - 2¹⁴ = 53985697 is a prime.

It is a super-2 number, since 2×54002081² = 5832449504661122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54002087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226781 + ... + 227018.

It is an arithmetic number, because the mean of its divisors is an integer number (8168400).

Almost surely, 2^54002081 is an apocalyptic number.

It is an amenable number.

54002081 is a deficient number, since it is larger than the sum of its proper divisors (11345119).

54002081 is a wasteful number, since it uses less digits than its factorization.

54002081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453823.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 54002081 is about 7348.6108211008. The cubic root of 54002081 is about 377.9811702685.

The spelling of 54002081 in words is "fifty-four million, two thousand, eighty-one".