54382881 has 32 divisors (see below), whose sum is σ = 88197120. Its totient is φ = 29097216.

The previous prime is 54382873. The next prime is 54382891. The reversal of 54382881 is 18828345.

54382881 = 210² + 211² + ... + 556².

54382881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54382881 - 2³ = 54382873 is a prime.

It is a super-2 number, since 2×54382881² = 5914995491720322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54382871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123660 + ... + 124098.

It is an arithmetic number, because the mean of its divisors is an integer number (2756160).

Almost surely, 2^54382881 is an apocalyptic number.

54382881 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54382881 is a deficient number, since it is larger than the sum of its proper divisors (33814239).

54382881 is a wasteful number, since it uses less digits than its factorization.

54382881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its digits is 61440, while the sum is 39.

The square root of 54382881 is about 7374.4749643619. The cubic root of 54382881 is about 378.8675449080.

The spelling of 54382881 in words is "fifty-four million, three hundred eighty-two thousand, eight hundred eighty-one".