1550432132 has 24 divisors (see below), whose sum is σ = 2757955200. Its totient is φ = 762548256.

The previous prime is 1550432131. The next prime is 1550432137. The reversal of 1550432132 is 2312340551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1550432131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47813 + ... + 73395.

It is an arithmetic number, because the mean of its divisors is an integer number (114914800).

Almost surely, 2^1550432132 is an apocalyptic number.

It is an amenable number.

1550432132 is a deficient number, since it is larger than the sum of its proper divisors (1207523068).

1550432132 is a wasteful number, since it uses less digits than its factorization.

1550432132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25835 (or 25833 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1550432132 is about 39375.5270694882. The cubic root of 1550432132 is about 1157.4020665168.

Adding to 1550432132 its reverse (2312340551), we get a palindrome (3862772683).

The spelling of 1550432132 in words is "one billion, five hundred fifty million, four hundred thirty-two thousand, one hundred thirty-two".