1550200005 has 32 divisors (see below), whose sum is σ = 2765387520. Its totient is φ = 823930560.

The previous prime is 1550199997. The next prime is 1550200019. The reversal of 1550200005 is 5000020551.

It is not a de Polignac number, because 1550200005 - 2³ = 1550199997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19960 + ... + 59150.

It is an arithmetic number, because the mean of its divisors is an integer number (86418360).

Almost surely, 2^1550200005 is an apocalyptic number.

1550200005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550200005 is a deficient number, since it is larger than the sum of its proper divisors (1215187515).

1550200005 is a wasteful number, since it uses less digits than its factorization.

1550200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39498 (or 39492 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1550200005 is about 39372.5793541647. The cubic root of 1550200005 is about 1157.3443024752.

Adding to 1550200005 its reverse (5000020551), we get a palindrome (6550220556).

The spelling of 1550200005 in words is "one billion, five hundred fifty million, two hundred thousand, five".