5255209116 has 72 divisors (see below), whose sum is σ = 14079343824. Its totient is φ = 1647060480.

The previous prime is 5255209097. The next prime is 5255209129. The reversal of 5255209116 is 6119025525.

5255209116 is a `hidden beast` number, since 5 + 2 + 552 + 0 + 91 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712986 + ... + 720318.

It is an arithmetic number, because the mean of its divisors is an integer number (195546442).

Almost surely, 2^5255209116 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 5255209116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7039671912).

5255209116 is an abundant number, since it is smaller than the sum of its proper divisors (8824134708).

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

5255209116 is a wasteful number, since it uses less digits than its factorization.

5255209116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531 (or 8526 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 5255209116 is about 72492.8211342337. The cubic root of 5255209116 is about 1738.5879586540.

The spelling of 5255209116 in words is "five billion, two hundred fifty-five million, two hundred nine thousand, one hundred sixteen".