548799851 has 4 divisors (see below), whose sum is σ = 566503104. Its totient is φ = 531096600.

The previous prime is 548799847. The next prime is 548799917. The reversal of 548799851 is 158997845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158997845 = 5 ⋅31799569.

It is a cyclic number.

It is not a de Polignac number, because 548799851 - 2² = 548799847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548799821) 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 3 ways as a sum of consecutive naturals, for example, 8851580 + ... + 8851641.

It is an arithmetic number, because the mean of its divisors is an integer number (141625776).

Almost surely, 2^548799851 is an apocalyptic number.

548799851 is a deficient number, since it is larger than the sum of its proper divisors (17703253).

548799851 is a wasteful number, since it uses less digits than its factorization.

548799851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17703252.

The product of its digits is 3628800, while the sum is 56.

The square root of 548799851 is about 23426.4775627921. The cubic root of 548799851 is about 818.7248926046.

The spelling of 548799851 in words is "five hundred forty-eight million, seven hundred ninety-nine thousand, eight hundred fifty-one".