53471329693 has 8 divisors (see below), whose sum is σ = 56542461696. Its totient is φ = 50484338400.

The previous prime is 53471329687. The next prime is 53471329711. The reversal of 53471329693 is 39692317435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53471329693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53471329693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53471329603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21033871 + ... + 21036412.

It is an arithmetic number, because the mean of its divisors is an integer number (7067807712).

Almost surely, 2^53471329693 is an apocalyptic number.

It is an amenable number.

53471329693 is a deficient number, since it is larger than the sum of its proper divisors (3071132003).

53471329693 is a wasteful number, since it uses less digits than its factorization.

53471329693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42070355.

The product of its digits is 3674160, while the sum is 52.

The spelling of 53471329693 in words is "fifty-three billion, four hundred seventy-one million, three hundred twenty-nine thousand, six hundred ninety-three".