52971525651 has 16 divisors (see below), whose sum is σ = 77812363008. Its totient is φ = 31786092000.

The previous prime is 52971525641. The next prime is 52971525661. The reversal of 52971525651 is 15652517925.

It is an interprime number because it is at equal distance from previous prime (52971525641) and next prime (52971525661).

It is not a de Polignac number, because 52971525651 - 2¹¹ = 52971523603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52971525651.

It is not an unprimeable number, because it can be changed into a prime (52971525611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7943191 + ... + 7949856.

It is an arithmetic number, because the mean of its divisors is an integer number (4863272688).

Almost surely, 2^52971525651 is an apocalyptic number.

52971525651 is a deficient number, since it is larger than the sum of its proper divisors (24840837357).

52971525651 is a wasteful number, since it uses less digits than its factorization.

52971525651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15893162.

The product of its digits is 945000, while the sum is 48.

The spelling of 52971525651 in words is "fifty-two billion, nine hundred seventy-one million, five hundred twenty-five thousand, six hundred fifty-one".