549725882 has 4 divisors (see below), whose sum is σ = 824588826. Its totient is φ = 274862940.

The previous prime is 549725873. The next prime is 549725887. The reversal of 549725882 is 288527945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 288527945 = 5 ⋅57705589.

It can be written as a sum of positive squares in only one way, i.e., 335952241 + 213773641 = 18329^2 + 14621^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 549725882.

It is not an unprimeable number, because it can be changed into a prime (549725887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137431469 + ... + 137431472.

Almost surely, 2^549725882 is an apocalyptic number.

549725882 is a deficient number, since it is larger than the sum of its proper divisors (274862944).

549725882 is a wasteful number, since it uses less digits than its factorization.

549725882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274862943.

The product of its digits is 1612800, while the sum is 50.

The square root of 549725882 is about 23446.2338553551. The cubic root of 549725882 is about 819.1851324006.

The spelling of 549725882 in words is "five hundred forty-nine million, seven hundred twenty-five thousand, eight hundred eighty-two".