550146432 has 128 divisors (see below), whose sum is σ = 1607356800. Its totient is φ = 165335040.

The previous prime is 550146431. The next prime is 550146437. The reversal of 550146432 is 234641055.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×550146432² = 605322193284661248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550146432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550146431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586668 + ... + 587604.

It is an arithmetic number, because the mean of its divisors is an integer number (12557475).

Almost surely, 2^550146432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550146432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803678400).

550146432 is an abundant number, since it is smaller than the sum of its proper divisors (1057210368).

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

550146432 is a wasteful number, since it uses less digits than its factorization.

550146432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 550146432 is about 23455.2005320782. The cubic root of 550146432 is about 819.3939761803.

Adding to 550146432 its reverse (234641055), we get a palindrome (784787487).

The spelling of 550146432 in words is "five hundred fifty million, one hundred forty-six thousand, four hundred thirty-two".