550545132 has 24 divisors (see below), whose sum is σ = 1308844656. Its totient is φ = 180052288.

The previous prime is 550545103. The next prime is 550545133. The reversal of 550545132 is 231545055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 550545132.

It is not an unprimeable number, because it can be changed into a prime (550545133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432183 + ... + 433454.

It is an arithmetic number, because the mean of its divisors is an integer number (54535194).

Almost surely, 2^550545132 is an apocalyptic number.

It is an amenable number.

550545132 is an abundant number, since it is smaller than the sum of its proper divisors (758299524).

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

550545132 is a wasteful number, since it uses less digits than its factorization.

550545132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865697 (or 865695 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550545132 is about 23463.6981739878. The cubic root of 550545132 is about 819.5918710627.

The spelling of 550545132 in words is "five hundred fifty million, five hundred forty-five thousand, one hundred thirty-two".