550922400 has 432 divisors, whose sum is σ = 2354474304. Its totient is φ = 118333440.

The previous prime is 550922399. The next prime is 550922413. The reversal of 550922400 is 4229055.

550922400 is a `hidden beast` number, since 550 + 92 + 24 + 0 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 856479 + ... + 857121.

It is an arithmetic number, because the mean of its divisors is an integer number (5450172).

Almost surely, 2^550922400 is an apocalyptic number.

550922400 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 550922400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177237152).

550922400 is an abundant number, since it is smaller than the sum of its proper divisors (1803551904).

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

550922400 is a wasteful number, since it uses less digits than its factorization.

550922400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 550922400 is about 23471.7361948365. The cubic root of 550922400 is about 819.7790402070.

The spelling of 550922400 in words is "five hundred fifty million, nine hundred twenty-two thousand, four hundred".