548133481 has 4 divisors (see below), whose sum is σ = 626438272. Its totient is φ = 469828692.

The previous prime is 548133461. The next prime is 548133511. The reversal of 548133481 is 184331845.

548133481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184331845 = 5 ⋅36866369.

It is a cyclic number.

It is not a de Polignac number, because 548133481 - 2⁵ = 548133449 is a prime.

It is a super-2 number, since 2×548133481² = 600900625986354722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 548133481.

It is not an unprimeable number, because it can be changed into a prime (548133461) 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, 39152385 + ... + 39152398.

It is an arithmetic number, because the mean of its divisors is an integer number (156609568).

Almost surely, 2^548133481 is an apocalyptic number.

It is an amenable number.

548133481 is a deficient number, since it is larger than the sum of its proper divisors (78304791).

548133481 is an equidigital number, since it uses as much as digits as its factorization.

548133481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78304790.

The product of its digits is 46080, while the sum is 37.

The square root of 548133481 is about 23412.2506607118. The cubic root of 548133481 is about 818.3933845740.

The spelling of 548133481 in words is "five hundred forty-eight million, one hundred thirty-three thousand, four hundred eighty-one".