548411881 has 4 divisors (see below), whose sum is σ = 556136064. Its totient is φ = 540687700.

The previous prime is 548411869. The next prime is 548411893. The reversal of 548411881 is 188114845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (548411869) and next prime (548411893).

It is a cyclic number.

It is not a de Polignac number, because 548411881 - 2⁵ = 548411849 is a prime.

It is a super-2 number, since 2×548411881² = 601511182443916322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548411081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3861985 + ... + 3862126.

It is an arithmetic number, because the mean of its divisors is an integer number (139034016).

Almost surely, 2^548411881 is an apocalyptic number.

It is an amenable number.

548411881 is a deficient number, since it is larger than the sum of its proper divisors (7724183).

548411881 is an equidigital number, since it uses as much as digits as its factorization.

548411881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724182.

The product of its digits is 40960, while the sum is 40.

The square root of 548411881 is about 23418.1955111832. The cubic root of 548411881 is about 818.5319166185.

The spelling of 548411881 in words is "five hundred forty-eight million, four hundred eleven thousand, eight hundred eighty-one".