5409521550 has 192 divisors, whose sum is σ = 16170840000. Its totient is φ = 1324339200.

The previous prime is 5409521527. The next prime is 5409521563. The reversal of 5409521550 is 551259045.

5409521550 is a `hidden beast` number, since 54 + 0 + 9 + 52 + 1 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 938076 + ... + 943824.

It is an arithmetic number, because the mean of its divisors is an integer number (84223125).

Almost surely, 2^5409521550 is an apocalyptic number.

5409521550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5409521550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8085420000).

5409521550 is an abundant number, since it is smaller than the sum of its proper divisors (10761318450).

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

5409521550 is a wasteful number, since it uses less digits than its factorization.

5409521550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 5409521550 is about 73549.4496920269. The cubic root of 5409521550 is about 1755.4411923148.

The spelling of 5409521550 in words is "five billion, four hundred nine million, five hundred twenty-one thousand, five hundred fifty".