5257994563 has 8 divisors (see below), whose sum is σ = 5284515600. Its totient is φ = 5231539680.

The previous prime is 5257994551. The next prime is 5257994587. The reversal of 5257994563 is 3654997525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5257994563 - 2²¹ = 5255897411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257994593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146853 + ... + 179113.

It is an arithmetic number, because the mean of its divisors is an integer number (660564450).

Almost surely, 2^5257994563 is an apocalyptic number.

5257994563 is a deficient number, since it is larger than the sum of its proper divisors (26521037).

5257994563 is a wasteful number, since it uses less digits than its factorization.

5257994563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33077.

The product of its digits is 10206000, while the sum is 55.

The square root of 5257994563 is about 72512.0304708122. The cubic root of 5257994563 is about 1738.8950754689.

The spelling of 5257994563 in words is "five billion, two hundred fifty-seven million, nine hundred ninety-four thousand, five hundred sixty-three".