52610210661 has 4 divisors (see below), whose sum is σ = 70146947552. Its totient is φ = 35073473772.

The previous prime is 52610210581. The next prime is 52610210671. The reversal of 52610210661 is 16601201625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52610210661 - 2⁷ = 52610210533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52610210671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8768368441 + ... + 8768368446.

It is an arithmetic number, because the mean of its divisors is an integer number (17536736888).

Almost surely, 2^52610210661 is an apocalyptic number.

It is an amenable number.

52610210661 is a deficient number, since it is larger than the sum of its proper divisors (17536736891).

52610210661 is a wasteful number, since it uses less digits than its factorization.

52610210661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536736890.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 52610210661 in words is "fifty-two billion, six hundred ten million, two hundred ten thousand, six hundred sixty-one".