15500132 has 12 divisors (see below), whose sum is σ = 27787116. Its totient is φ = 7560960.

The previous prime is 15500131. The next prime is 15500153. The reversal of 15500132 is 23100551.

It can be written as a sum of positive squares in 2 ways, for example, as 6832996 + 8667136 = 2614^2 + 2944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15500132.

It is not an unprimeable number, because it can be changed into a prime (15500131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47093 + ... + 47420.

It is an arithmetic number, because the mean of its divisors is an integer number (2315593).

Almost surely, 2^15500132 is an apocalyptic number.

It is an amenable number.

15500132 is a deficient number, since it is larger than the sum of its proper divisors (12286984).

15500132 is a wasteful number, since it uses less digits than its factorization.

15500132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94558 (or 94556 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 15500132 is about 3937.0207009870. The cubic root of 15500132 is about 249.3322553898.

Adding to 15500132 its reverse (23100551), we get a palindrome (38600683).

The spelling of 15500132 in words is "fifteen million, five hundred thousand, one hundred thirty-two".