549954557 has 8 divisors (see below), whose sum is σ = 553671096. Its totient is φ = 546250752.

The previous prime is 549954551. The next prime is 549954571. The reversal of 549954557 is 755459945.

It can be written as a sum of positive squares in 4 ways, for example, as 82919236 + 467035321 = 9106^2 + 21611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549954557 - 2¹⁴ = 549938173 is a prime.

It is a super-3 number, since 3×549954557³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549954499 and 549954508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549954551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92993 + ... + 98729.

It is an arithmetic number, because the mean of its divisors is an integer number (69208887).

Almost surely, 2^549954557 is an apocalyptic number.

It is an amenable number.

549954557 is a deficient number, since it is larger than the sum of its proper divisors (3716539).

549954557 is a wasteful number, since it uses less digits than its factorization.

549954557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367.

The product of its digits is 5670000, while the sum is 53.

The square root of 549954557 is about 23451.1099310885. The cubic root of 549954557 is about 819.2987048782.

The spelling of 549954557 in words is "five hundred forty-nine million, nine hundred fifty-four thousand, five hundred fifty-seven".