53681575838425 has 12 divisors (see below), whose sum is σ = 66932917327276. Its totient is φ = 42707994033600.

The previous prime is 53681575838381. The next prime is 53681575838467. The reversal of 53681575838425 is 52483857518635.

It can be written as a sum of positive squares in 6 ways, for example, as 5567320473289 + 48114255365136 = 2359517^2 + 6936444^2 .

It is not a de Polignac number, because 53681575838425 - 2²¹ = 53681573741273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5931661314 + ... + 5931670363.

Almost surely, 2^{53681575838425} is an apocalyptic number.

It is an amenable number.

53681575838425 is a deficient number, since it is larger than the sum of its proper divisors (13251341488851).

53681575838425 is a wasteful number, since it uses less digits than its factorization.

53681575838425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11863331868 (or 11863331863 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 70.

The spelling of 53681575838425 in words is "fifty-three trillion, six hundred eighty-one billion, five hundred seventy-five million, eight hundred thirty-eight thousand, four hundred twenty-five".