5371257566 has 4 divisors (see below), whose sum is σ = 8056886352. Its totient is φ = 2685628782.

The previous prime is 5371257557. The next prime is 5371257569. The reversal of 5371257566 is 6657521735.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5371257566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5371257569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342814390 + ... + 1342814393.

It is an arithmetic number, because the mean of its divisors is an integer number (2014221588).

Almost surely, 2^5371257566 is an apocalyptic number.

5371257566 is a deficient number, since it is larger than the sum of its proper divisors (2685628786).

5371257566 is a wasteful number, since it uses less digits than its factorization.

5371257566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685628785.

The product of its digits is 1323000, while the sum is 47.

The square root of 5371257566 is about 73288.8638607531. The cubic root of 5371257566 is about 1751.2923858471.

The spelling of 5371257566 in words is "five billion, three hundred seventy-one million, two hundred fifty-seven thousand, five hundred sixty-six".