550385472 has 336 divisors, whose sum is σ = 1921377920. Its totient is φ = 135364608.

The previous prime is 550385447. The next prime is 550385497. The reversal of 550385472 is 274583055.

It is an interprime number because it is at equal distance from previous prime (550385447) and next prime (550385497).

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 550385472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5049354 + ... + 5049462.

Almost surely, 2^550385472 is an apocalyptic number.

550385472 is a gapful number since it is divisible by the number (52) 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 550385472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960688960).

550385472 is an abundant number, since it is smaller than the sum of its proper divisors (1370992448).

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

550385472 is a wasteful number, since it uses less digits than its factorization.

550385472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 550385472 is about 23460.2956503110. The cubic root of 550385472 is about 819.5126352398.

The spelling of 550385472 in words is "five hundred fifty million, three hundred eighty-five thousand, four hundred seventy-two".