1550514505544 has 8 divisors (see below), whose sum is σ = 2907214697910. Its totient is φ = 775257252768.

The previous prime is 1550514505517. The next prime is 1550514505549. The reversal of 1550514505544 is 4455054150551.

It can be written as a sum of positive squares in only one way, i.e., 1548854920900 + 1659584644 = 1244530^2 + 40738^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1550514505495 and 1550514505504.

It is not an unprimeable number, because it can be changed into a prime (1550514505549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96907156589 + ... + 96907156604.

Almost surely, 2^{1550514505544} is an apocalyptic number.

It is an amenable number.

1550514505544 is a deficient number, since it is larger than the sum of its proper divisors (1356700192366).

1550514505544 is a wasteful number, since it uses less digits than its factorization.

1550514505544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193814313199 (or 193814313195 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 1550514505544 in words is "one trillion, five hundred fifty billion, five hundred fourteen million, five hundred five thousand, five hundred forty-four".