549572500 has 30 divisors (see below), whose sum is σ = 1201810610. Its totient is φ = 219828000.

The previous prime is 549572479. The next prime is 549572509. The reversal of 549572500 is 5275945.

It can be written as a sum of positive squares in 5 ways, for example, as 238826116 + 310746384 = 15454^2 + 17628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 549572500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549572509) 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 9 ways as a sum of consecutive naturals, for example, 107415 + ... + 112414.

Almost surely, 2^549572500 is an apocalyptic number.

549572500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549572500 is an abundant number, since it is smaller than the sum of its proper divisors (652238110).

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

549572500 is a wasteful number, since it uses less digits than its factorization.

549572500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219853 (or 219836 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 549572500 is about 23442.9626967241. The cubic root of 549572500 is about 819.1089368846.

It can be divided in two parts, 549 and 572500, that added together give a square (573049 = 757²).

The spelling of 549572500 in words is "five hundred forty-nine million, five hundred seventy-two thousand, five hundred".