54020181 has 8 divisors (see below), whose sum is σ = 72125824. Its totient is φ = 35964000.

The previous prime is 54020179. The next prime is 54020221. The reversal of 54020181 is 18102045.

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

It is not a de Polignac number, because 54020181 - 2¹ = 54020179 is a prime.

It is a super-2 number, since 2×54020181² = 5836359910545522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9736 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (9015728).

Almost surely, 2^54020181 is an apocalyptic number.

It is an amenable number.

54020181 is a deficient number, since it is larger than the sum of its proper divisors (18105643).

54020181 is a wasteful number, since it uses less digits than its factorization.

54020181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24731.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 54020181 is about 7349.8422432050. The cubic root of 54020181 is about 378.0233951534.

The spelling of 54020181 in words is "fifty-four million, twenty thousand, one hundred eighty-one".