548994745 has 8 divisors (see below), whose sum is σ = 709470216. Its totient is φ = 405411456.

The previous prime is 548994739. The next prime is 548994749. The reversal of 548994745 is 547499845.

It can be written as a sum of positive squares in 4 ways, for example, as 14830201 + 534164544 = 3851^2 + 23112^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 548994745 - 2⁵ = 548994713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (548994749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4222972 + ... + 4223101.

It is an arithmetic number, because the mean of its divisors is an integer number (88683777).

Almost surely, 2^548994745 is an apocalyptic number.

It is an amenable number.

548994745 is a deficient number, since it is larger than the sum of its proper divisors (160475471).

548994745 is a wasteful number, since it uses less digits than its factorization.

548994745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8446091.

The product of its digits is 7257600, while the sum is 55.

The square root of 548994745 is about 23430.6368884843. The cubic root of 548994745 is about 818.8217984159.

Subtracting from 548994745 its product of digits (7257600), we obtain a palindrome (541737145).

The spelling of 548994745 in words is "five hundred forty-eight million, nine hundred ninety-four thousand, seven hundred forty-five".