550903069449 has 16 divisors (see below), whose sum is σ = 816456318400. Its totient is φ = 367132082688.

The previous prime is 550903069411. The next prime is 550903069459. The reversal of 550903069449 is 944960309055.

550903069449 is a `hidden beast` number, since 5 + 50 + 90 + 3 + 0 + 69 + 449 = 666.

It is not a de Polignac number, because 550903069449 - 2¹⁶ = 550903003913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550903069395 and 550903069404.

It is not an unprimeable number, because it can be changed into a prime (550903069459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3721339 + ... + 3866544.

It is an arithmetic number, because the mean of its divisors is an integer number (51028519900).

Almost surely, 2^550903069449 is an apocalyptic number.

It is an amenable number.

550903069449 is a deficient number, since it is larger than the sum of its proper divisors (265553248951).

550903069449 is a wasteful number, since it uses less digits than its factorization.

550903069449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590581 (or 7590575 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 550903069449 in words is "five hundred fifty billion, nine hundred three million, sixty-nine thousand, four hundred forty-nine".