53769859565 has 8 divisors (see below), whose sum is σ = 64527721848. Its totient is φ = 43013294080.

The previous prime is 53769859543. The next prime is 53769859603. The reversal of 53769859565 is 56595896735.

It can be written as a sum of positive squares in 4 ways, for example, as 5116970089 + 48652889476 = 71533^2 + 220574^2 .

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

It is not a de Polignac number, because 53769859565 - 2⁸ = 53769859309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53769859495 and 53769859504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230516 + ... + 400845.

It is an arithmetic number, because the mean of its divisors is an integer number (8065965231).

Almost surely, 2^53769859565 is an apocalyptic number.

It is an amenable number.

53769859565 is a deficient number, since it is larger than the sum of its proper divisors (10757862283).

53769859565 is a wasteful number, since it uses less digits than its factorization.

53769859565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648399.

The product of its digits is 306180000, while the sum is 68.

The spelling of 53769859565 in words is "fifty-three billion, seven hundred sixty-nine million, eight hundred fifty-nine thousand, five hundred sixty-five".