53755813609 has 9 divisors (see below), whose sum is σ = 54306907389. Its totient is φ = 53210263500.

The previous prime is 53755813597. The next prime is 53755813619. The reversal of 53755813609 is 90631855735.

The square root of 53755813609 is 231853.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 53755813609 - 2⁷ = 53755813481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53755813619) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23879734 + ... + 23881984.

It is an arithmetic number, because the mean of its divisors is an integer number (6034100821).

Almost surely, 2^53755813609 is an apocalyptic number.

53755813609 is the 231853-rd square number.

53755813609 is the 115927-th centered octagonal number.

It is an amenable number.

53755813609 is a deficient number, since it is larger than the sum of its proper divisors (551093780).

53755813609 is an frugal number, since it uses more digits than its factorization.

53755813609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 53755813609 in words is "fifty-three billion, seven hundred fifty-five million, eight hundred thirteen thousand, six hundred nine".