550136807424 has 512 divisors, whose sum is σ = 1751514624000. Its totient is φ = 170039181312.

The previous prime is 550136807419. The next prime is 550136807491. The reversal of 550136807424 is 424708631055.

550136807424 is a `hidden beast` number, since 550 + 1 + 3 + 6 + 8 + 0 + 74 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (512).

It is a self number, because there is not a number n which added to its sum of digits gives 550136807424.

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, 1188200217 + ... + 1188200679.

It is an arithmetic number, because the mean of its divisors is an integer number (3420927000).

Almost surely, 2^550136807424 is an apocalyptic number.

550136807424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550136807424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875757312000).

550136807424 is an abundant number, since it is smaller than the sum of its proper divisors (1201377816576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550136807424 is an equidigital number, since it uses as much as digits as its factorization.

550136807424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 550136807424 in words is "five hundred fifty billion, one hundred thirty-six million, eight hundred seven thousand, four hundred twenty-four".