53535672569 has 4 divisors (see below), whose sum is σ = 53536144896. Its totient is φ = 53535200244.

The previous prime is 53535672527. The next prime is 53535672571. The reversal of 53535672569 is 96527653535.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53535672569 is a prime.

It is a super-2 number, since 2×53535672569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53535672769) 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, 47132 + ... + 330594.

It is an arithmetic number, because the mean of its divisors is an integer number (13384036224).

Almost surely, 2^53535672569 is an apocalyptic number.

It is an amenable number.

53535672569 is a deficient number, since it is larger than the sum of its proper divisors (472327).

53535672569 is a wasteful number, since it uses less digits than its factorization.

53535672569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472326.

The product of its digits is 25515000, while the sum is 56.

The spelling of 53535672569 in words is "fifty-three billion, five hundred thirty-five million, six hundred seventy-two thousand, five hundred sixty-nine".