549953753 has 4 divisors (see below), whose sum is σ = 550719360. Its totient is φ = 549188148.

The previous prime is 549953743. The next prime is 549953773. The reversal of 549953753 is 357359945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 357359945 = 5 ⋅71471989.

It is a cyclic number.

It is not a de Polignac number, because 549953753 - 2⁴ = 549953737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (549953743) 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, 381725 + ... + 383162.

It is an arithmetic number, because the mean of its divisors is an integer number (137679840).

Almost surely, 2^549953753 is an apocalyptic number.

It is an amenable number.

549953753 is a deficient number, since it is larger than the sum of its proper divisors (765607).

549953753 is an equidigital number, since it uses as much as digits as its factorization.

549953753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765606.

The product of its digits is 2551500, while the sum is 50.

The square root of 549953753 is about 23451.0927890365. The cubic root of 549953753 is about 819.2983056231.

The spelling of 549953753 in words is "five hundred forty-nine million, nine hundred fifty-three thousand, seven hundred fifty-three".