53605065601 has 4 divisors (see below), whose sum is σ = 56758304772. Its totient is φ = 50451826432.

The previous prime is 53605065593. The next prime is 53605065607. The reversal of 53605065601 is 10656050635.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41984010000 + 11621055601 = 204900^2 + 107801^2 .

It is not a de Polignac number, because 53605065601 - 2³ = 53605065593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53605065607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576619560 + ... + 1576619593.

It is an arithmetic number, because the mean of its divisors is an integer number (14189576193).

Almost surely, 2^53605065601 is an apocalyptic number.

It is an amenable number.

53605065601 is a deficient number, since it is larger than the sum of its proper divisors (3153239171).

53605065601 is a wasteful number, since it uses less digits than its factorization.

53605065601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153239170.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 53605065601 in words is "fifty-three billion, six hundred five million, sixty-five thousand, six hundred one".