53505660611 has 4 divisors (see below), whose sum is σ = 57621480672. Its totient is φ = 49389840552.

The previous prime is 53505660539. The next prime is 53505660631. The reversal of 53505660611 is 11606650535.

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

It is not a de Polignac number, because 53505660611 - 2¹⁰ = 53505659587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53505660631) 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, 2057910011 + ... + 2057910036.

It is an arithmetic number, because the mean of its divisors is an integer number (14405370168).

Almost surely, 2^53505660611 is an apocalyptic number.

53505660611 is a deficient number, since it is larger than the sum of its proper divisors (4115820061).

53505660611 is a wasteful number, since it uses less digits than its factorization.

53505660611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115820060.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 53505660611 in words is "fifty-three billion, five hundred five million, six hundred sixty thousand, six hundred eleven".