548274987 has 20 divisors (see below), whose sum is σ = 882031920. Its totient is φ = 337399344.

The previous prime is 548274971. The next prime is 548275027. The reversal of 548274987 is 789472845.

It is a happy number.

548274987 is a `hidden beast` number, since 5 + 482 + 74 + 98 + 7 = 666.

It is not a de Polignac number, because 548274987 - 2⁴ = 548274971 is a prime.

It is a super-2 number, since 2×548274987² = 601210922739700338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (548274487) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259287 + ... + 261392.

It is an arithmetic number, because the mean of its divisors is an integer number (44101596).

Almost surely, 2^548274987 is an apocalyptic number.

548274987 is a deficient number, since it is larger than the sum of its proper divisors (333756933).

548274987 is a wasteful number, since it uses less digits than its factorization.

548274987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520704 (or 520695 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 548274987 is about 23415.2725160311. The cubic root of 548274987 is about 818.4638039239.

The spelling of 548274987 in words is "five hundred forty-eight million, two hundred seventy-four thousand, nine hundred eighty-seven".