550990308897 has 24 divisors (see below), whose sum is σ = 963075499776. Its totient is φ = 296330921856.

The previous prime is 550990308857. The next prime is 550990308937. The reversal of 550990308897 is 798803099055.

550990308897 is a `hidden beast` number, since 5 + 509 + 9 + 0 + 30 + 8 + 8 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (550990308857) and next prime (550990308937).

It is not a de Polignac number, because 550990308897 - 2⁷ = 550990308769 is a prime.

It is a super-2 number, since 2×550990308897² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (550990308857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257230633 + ... + 257232774.

It is an arithmetic number, because the mean of its divisors is an integer number (40128145824).

Almost surely, 2^550990308897 is an apocalyptic number.

It is an amenable number.

550990308897 is a deficient number, since it is larger than the sum of its proper divisors (412085190879).

550990308897 is a wasteful number, since it uses less digits than its factorization.

550990308897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514463437 (or 514463434 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 550990308897 in words is "five hundred fifty billion, nine hundred ninety million, three hundred eight thousand, eight hundred ninety-seven".