549773975 has 6 divisors (see below), whose sum is σ = 681719760. Its totient is φ = 439819160.

The previous prime is 549773969. The next prime is 549774019. The reversal of 549773975 is 579377945.

It is not a de Polignac number, because 549773975 - 2²⁰ = 548725399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549773975.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10995455 + ... + 10995504.

It is an arithmetic number, because the mean of its divisors is an integer number (113619960).

Almost surely, 2^549773975 is an apocalyptic number.

549773975 is a deficient number, since it is larger than the sum of its proper divisors (131945785).

549773975 is a wasteful number, since it uses less digits than its factorization.

549773975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21990969 (or 21990964 counting only the distinct ones).

The product of its digits is 8334900, while the sum is 56.

The square root of 549773975 is about 23447.2594347399. The cubic root of 549773975 is about 819.2090206226.

The spelling of 549773975 in words is "five hundred forty-nine million, seven hundred seventy-three thousand, nine hundred seventy-five".