1550540332 has 24 divisors (see below), whose sum is σ = 3062198160. Its totient is φ = 680487360.

The previous prime is 1550540291. The next prime is 1550540351. The reversal of 1550540332 is 2330450551.

It is a self number, because there is not a number n which added to its sum of digits gives 1550540332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606303 + ... + 608854.

It is an arithmetic number, because the mean of its divisors is an integer number (127591590).

Almost surely, 2^1550540332 is an apocalyptic number.

It is an amenable number.

1550540332 is a deficient number, since it is larger than the sum of its proper divisors (1511657828).

1550540332 is a wasteful number, since it uses less digits than its factorization.

1550540332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215201 (or 1215199 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1550540332 is about 39376.9009953805. The cubic root of 1550540332 is about 1157.4289897614.

Adding to 1550540332 its reverse (2330450551), we get a palindrome (3880990883).

The spelling of 1550540332 in words is "one billion, five hundred fifty million, five hundred forty thousand, three hundred thirty-two".