550156800 has 120 divisors (see below), whose sum is σ = 1817535456. Its totient is φ = 146698240.

The previous prime is 550156751. The next prime is 550156853. The reversal of 550156800 is 8651055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31237 + ... + 45563.

Almost surely, 2^550156800 is an apocalyptic number.

550156800 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 550156800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908767728).

550156800 is an abundant number, since it is smaller than the sum of its proper divisors (1267378656).

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

550156800 is a wasteful number, since it uses less digits than its factorization.

550156800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14358 (or 14337 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 550156800 is about 23455.4215481197. The cubic root of 550156800 is about 819.3991235513.

The spelling of 550156800 in words is "five hundred fifty million, one hundred fifty-six thousand, eight hundred".