550429344 has 120 divisors (see below), whose sum is σ = 1641536820. Its totient is φ = 180900864.

The previous prime is 550429343. The next prime is 550429351. The reversal of 550429344 is 443924055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519292944 + 31136400 = 22788^2 + 5580^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 550429299 and 550429308.

It is not an unprimeable number, because it can be changed into a prime (550429343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 187762 + ... + 190670.

Almost surely, 2^550429344 is an apocalyptic number.

550429344 is a gapful number since it is divisible by the number (54) 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 550429344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820768410).

550429344 is an abundant number, since it is smaller than the sum of its proper divisors (1091107476).

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

550429344 is a wasteful number, since it uses less digits than its factorization.

550429344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 550429344 is about 23461.2306582583. The cubic root of 550429344 is about 819.5344094961.

The spelling of 550429344 in words is "five hundred fifty million, four hundred twenty-nine thousand, three hundred forty-four".