5051785320 has 384 divisors, whose sum is σ = 18114969600. Its totient is φ = 1263423744.

The previous prime is 5051785301. The next prime is 5051785339. The reversal of 5051785320 is 235871505.

5051785320 is a `hidden beast` number, since 5 + 0 + 51 + 78 + 532 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5051785301) and next prime (5051785339).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13189849 + ... + 13190231.

It is an arithmetic number, because the mean of its divisors is an integer number (47174400).

Almost surely, 2^5051785320 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 5051785320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9057484800).

5051785320 is an abundant number, since it is smaller than the sum of its proper divisors (13063184280).

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

5051785320 is a wasteful number, since it uses less digits than its factorization.

5051785320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 5051785320 is about 71075.9123754314. The cubic root of 5051785320 is about 1715.8591258014.

The spelling of 5051785320 in words is "five billion, fifty-one million, seven hundred eighty-five thousand, three hundred twenty".