5855915520 has 1280 divisors, whose sum is σ = 27498240000. Its totient is φ = 1170505728.

The previous prime is 5855915477. The next prime is 5855915537. The reversal of 5855915520 is 255195585.

5855915520 is a `hidden beast` number, since 5 + 8 + 5 + 5 + 91 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 308206071 + ... + 308206089.

It is an arithmetic number, because the mean of its divisors is an integer number (21483000).

Almost surely, 2^5855915520 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 5855915520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13749120000).

5855915520 is an abundant number, since it is smaller than the sum of its proper divisors (21642324480).

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

5855915520 is a wasteful number, since it uses less digits than its factorization.

5855915520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 45.

The square root of 5855915520 is about 76523.9538968028. The cubic root of 5855915520 is about 1802.4570888707.

The spelling of 5855915520 in words is "five billion, eight hundred fifty-five million, nine hundred fifteen thousand, five hundred twenty".