53646969583 has 4 divisors (see below), whose sum is σ = 53650382688. Its totient is φ = 53643556480.

The previous prime is 53646969553. The next prime is 53646969653. The reversal of 53646969583 is 38596964635.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53646969583 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 (53646969533) 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, 1682866 + ... + 1714447.

It is an arithmetic number, because the mean of its divisors is an integer number (13412595672).

Almost surely, 2^53646969583 is an apocalyptic number.

53646969583 is a deficient number, since it is larger than the sum of its proper divisors (3413105).

53646969583 is a wasteful number, since it uses less digits than its factorization.

53646969583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413104.

The product of its digits is 125971200, while the sum is 64.

The spelling of 53646969583 in words is "fifty-three billion, six hundred forty-six million, nine hundred sixty-nine thousand, five hundred eighty-three".