5387555520 has 168 divisors, whose sum is σ = 18561625056. Its totient is φ = 1434304512.

The previous prime is 5387555497. The next prime is 5387555539. The reversal of 5387555520 is 255557835.

5387555520 is a `hidden beast` number, since 5 + 3 + 8 + 75 + 55 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2369104 + ... + 2371376.

Almost surely, 2^5387555520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5387555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9280812528).

5387555520 is an abundant number, since it is smaller than the sum of its proper divisors (13174069536).

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

5387555520 is a wasteful number, since it uses less digits than its factorization.

5387555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The square root of 5387555520 is about 73399.9694822825. The cubic root of 5387555520 is about 1753.0619070586.

The spelling of 5387555520 in words is "five billion, three hundred eighty-seven million, five hundred fifty-five thousand, five hundred twenty".