550145132 has 12 divisors (see below), whose sum is σ = 965181840. Its totient is φ = 274378896.

The previous prime is 550145117. The next prime is 550145137. The reversal of 550145132 is 231541055.

It is not an unprimeable number, because it can be changed into a prime (550145137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171632 + ... + 174807.

It is an arithmetic number, because the mean of its divisors is an integer number (80431820).

Almost surely, 2^550145132 is an apocalyptic number.

It is an amenable number.

550145132 is a deficient number, since it is larger than the sum of its proper divisors (415036708).

550145132 is a wasteful number, since it uses less digits than its factorization.

550145132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346840 (or 346838 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 550145132 is about 23455.1728196575. The cubic root of 550145132 is about 819.3933307685.

Adding to 550145132 its reverse (231541055), we get a palindrome (781686187).

The spelling of 550145132 in words is "five hundred fifty million, one hundred forty-five thousand, one hundred thirty-two".