550545600 has 168 divisors, whose sum is σ = 1970641728. Its totient is φ = 133452800.

The previous prime is 550545587. The next prime is 550545601. The reversal of 550545600 is 6545055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (550545601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47587 + ... + 58013.

Almost surely, 2^550545600 is an apocalyptic number.

550545600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550545600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985320864).

550545600 is an abundant number, since it is smaller than the sum of its proper divisors (1420096128).

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

550545600 is a wasteful number, since it uses less digits than its factorization.

550545600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463 (or 10448 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550545600 is about 23463.7081468382. The cubic root of 550545600 is about 819.5921032985.

The spelling of 550545600 in words is "five hundred fifty million, five hundred forty-five thousand, six hundred".