549927450 has 72 divisors (see below), whose sum is σ = 1555257600. Its totient is φ = 138926880.

The previous prime is 549927449. The next prime is 549927451. The reversal of 549927450 is 54729945.

It is an interprime number because it is at equal distance from previous prime (549927449) and next prime (549927451).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 549927396 and 549927405.

It is not an unprimeable number, because it can be changed into a prime (549927451) 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 35 ways as a sum of consecutive naturals, for example, 23610 + ... + 40709.

It is an arithmetic number, because the mean of its divisors is an integer number (21600800).

Almost surely, 2^549927450 is an apocalyptic number.

549927450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

549927450 is an abundant number, since it is smaller than the sum of its proper divisors (1005330150).

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

549927450 is a wasteful number, since it uses less digits than its factorization.

549927450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64356 (or 64348 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 549927450 is about 23450.5319769083. The cubic root of 549927450 is about 819.2852437085.

The spelling of 549927450 in words is "five hundred forty-nine million, nine hundred twenty-seven thousand, four hundred fifty".