1550216056 has 8 divisors (see below), whose sum is σ = 2906655120. Its totient is φ = 775108024.

The previous prime is 1550216029. The next prime is 1550216081. The reversal of 1550216056 is 6506120551.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 96888496 + ... + 96888511.

It is an arithmetic number, because the mean of its divisors is an integer number (363331890).

Almost surely, 2^1550216056 is an apocalyptic number.

It is an amenable number.

1550216056 is a deficient number, since it is larger than the sum of its proper divisors (1356439064).

1550216056 is a wasteful number, since it uses less digits than its factorization.

1550216056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193777013 (or 193777009 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1550216056 is about 39372.7831883904. The cubic root of 1550216056 is about 1157.3482968994.

The spelling of 1550216056 in words is "one billion, five hundred fifty million, two hundred sixteen thousand, fifty-six".