5257052766 has 144 divisors (see below), whose sum is σ = 14343079296. Its totient is φ = 1413396864.

The previous prime is 5257052761. The next prime is 5257052803. The reversal of 5257052766 is 6672507525.

5257052766 is a `hidden beast` number, since 5 + 2 + 570 + 5 + 2 + 76 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257052761) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 980505 + ... + 985851.

Almost surely, 2^5257052766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5257052766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7171539648).

5257052766 is an abundant number, since it is smaller than the sum of its proper divisors (9086026530).

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

5257052766 is a wasteful number, since it uses less digits than its factorization.

5257052766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405 (or 5376 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The square root of 5257052766 is about 72505.5361058726. The cubic root of 5257052766 is about 1738.7912472929.

The spelling of 5257052766 in words is "five billion, two hundred fifty-seven million, fifty-two thousand, seven hundred sixty-six".