5553521505 has 96 divisors (see below), whose sum is σ = 11386552320. Its totient is φ = 2450286720.

The previous prime is 5553521453. The next prime is 5553521507. The reversal of 5553521505 is 5051253555.

5553521505 is a `hidden beast` number, since 5 + 553 + 52 + 1 + 50 + 5 = 666.

It is not a de Polignac number, because 5553521505 - 2¹⁰ = 5553520481 is a prime.

It is a super-2 number, since 2×5553521505² = 61683202212994930050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5553521505.

It is not an unprimeable number, because it can be changed into a prime (5553521507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6434704 + ... + 6435566.

It is an arithmetic number, because the mean of its divisors is an integer number (118609920).

Almost surely, 2^5553521505 is an apocalyptic number.

It is an amenable number.

5553521505 is an abundant number, since it is smaller than the sum of its proper divisors (5833030815).

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

5553521505 is a wasteful number, since it uses less digits than its factorization.

5553521505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 5553521505 is about 74521.9531748867. The cubic root of 5553521505 is about 1770.8814387941.

The spelling of 5553521505 in words is "five billion, five hundred fifty-three million, five hundred twenty-one thousand, five hundred five".