5855499720 has 320 divisors, whose sum is σ = 23817214080. Its totient is φ = 1259587584.

The previous prime is 5855499709. The next prime is 5855499751. The reversal of 5855499720 is 279945585.

5855499720 is a `hidden beast` number, since 5 + 8 + 5 + 549 + 97 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 377967 + ... + 393153.

It is an arithmetic number, because the mean of its divisors is an integer number (74428794).

Almost surely, 2^5855499720 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 5855499720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11908607040).

5855499720 is an abundant number, since it is smaller than the sum of its proper divisors (17961714360).

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

5855499720 is a wasteful number, since it uses less digits than its factorization.

5855499720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234 (or 15221 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The square root of 5855499720 is about 76521.2370522066. The cubic root of 5855499720 is about 1802.4144266320.

The spelling of 5855499720 in words is "five billion, eight hundred fifty-five million, four hundred ninety-nine thousand, seven hundred twenty".