54860881 has 4 divisors (see below), whose sum is σ = 54875700. Its totient is φ = 54846064.

The previous prime is 54860879. The next prime is 54860909. The reversal of 54860881 is 18806845.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29257281 + 25603600 = 5409^2 + 5060^2 .

It is a cyclic number.

It is not a de Polignac number, because 54860881 - 2¹ = 54860879 is a prime.

It is a super-2 number, since 2×54860881² = 6019432528192322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54860801) 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 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (13718925).

Almost surely, 2^54860881 is an apocalyptic number.

It is an amenable number.

54860881 is a deficient number, since it is larger than the sum of its proper divisors (14819).

54860881 is an equidigital number, since it uses as much as digits as its factorization.

54860881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14818.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 54860881 is about 7406.8131473664. The cubic root of 54860881 is about 379.9743311378.

The spelling of 54860881 in words is "fifty-four million, eight hundred sixty thousand, eight hundred eighty-one".