52652452661 has 4 divisors (see below), whose sum is σ = 55423634400. Its totient is φ = 49881270924.

The previous prime is 52652452637. The next prime is 52652452663. The reversal of 52652452661 is 16625425625.

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 a cyclic number.

It is not a de Polignac number, because 52652452661 - 2³⁰ = 51578710837 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 (52652452663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385590841 + ... + 1385590878.

It is an arithmetic number, because the mean of its divisors is an integer number (13855908600).

Almost surely, 2^52652452661 is an apocalyptic number.

It is an amenable number.

52652452661 is a deficient number, since it is larger than the sum of its proper divisors (2771181739).

52652452661 is a wasteful number, since it uses less digits than its factorization.

52652452661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771181738.

The product of its digits is 864000, while the sum is 44.

The spelling of 52652452661 in words is "fifty-two billion, six hundred fifty-two million, four hundred fifty-two thousand, six hundred sixty-one".