54181281 has 32 divisors (see below), whose sum is σ = 91238400. Its totient is φ = 27780480.

The previous prime is 54181277. The next prime is 54181291. The reversal of 54181281 is 18218145.

It is a happy number.

It is not a de Polignac number, because 54181281 - 2² = 54181277 is a prime.

It is a super-2 number, since 2×54181281² = 5871222421601922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54181201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16765 + ... + 19733.

It is an arithmetic number, because the mean of its divisors is an integer number (2851200).

Almost surely, 2^54181281 is an apocalyptic number.

It is an amenable number.

54181281 is a deficient number, since it is larger than the sum of its proper divisors (37057119).

54181281 is a wasteful number, since it uses less digits than its factorization.

54181281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its digits is 2560, while the sum is 30.

The square root of 54181281 is about 7360.7935034207. The cubic root of 54181281 is about 378.3988050424.

The spelling of 54181281 in words is "fifty-four million, one hundred eighty-one thousand, two hundred eighty-one".