550540432 has 40 divisors (see below), whose sum is σ = 1150176384. Its totient is φ = 253774464.

The previous prime is 550540423. The next prime is 550540483. The reversal of 550540432 is 234045055.

It is a self number, because there is not a number n which added to its sum of digits gives 550540432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265833 + ... + 267895.

Almost surely, 2^550540432 is an apocalyptic number.

550540432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

550540432 is an abundant number, since it is smaller than the sum of its proper divisors (599635952).

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

550540432 is a wasteful number, since it uses less digits than its factorization.

550540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 550540432 is about 23463.5980190592. The cubic root of 550540432 is about 819.5895387727.

Adding to 550540432 its reverse (234045055), we get a palindrome (784585487).

The spelling of 550540432 in words is "five hundred fifty million, five hundred forty thousand, four hundred thirty-two".