549757956864 has 36 divisors (see below), whose sum is σ = 1463157897656. Its totient is φ = 183252652032.

The previous prime is 549757956857. The next prime is 549757956889. The reversal of 549757956864 is 468659757945.

It is a super-3 number, since 3×549757956864³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357914569 + ... + 357916104.

Almost surely, 2^549757956864 is an apocalyptic number.

It is an amenable number.

549757956864 is an abundant number, since it is smaller than the sum of its proper divisors (913399940792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549757956864 is an equidigital number, since it uses as much as digits as its factorization.

549757956864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715830692 (or 715830678 counting only the distinct ones).

The product of its digits is 2286144000, while the sum is 75.

The spelling of 549757956864 in words is "five hundred forty-nine billion, seven hundred fifty-seven million, nine hundred fifty-six thousand, eight hundred sixty-four".