53747644609 has 8 divisors (see below), whose sum is σ = 54809161920. Its totient is φ = 52694586000.

The previous prime is 53747644579. The next prime is 53747644631. The reversal of 53747644609 is 90644674735.

53747644609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53747644609 - 2⁷ = 53747644481 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 53747644609.

It is not an unprimeable number, because it can be changed into a prime (53747647609) 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, 2101842 + ... + 2127259.

It is an arithmetic number, because the mean of its divisors is an integer number (6851145240).

Almost surely, 2^53747644609 is an apocalyptic number.

It is an amenable number.

53747644609 is a deficient number, since it is larger than the sum of its proper divisors (1061517311).

53747644609 is a wasteful number, since it uses less digits than its factorization.

53747644609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229351.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 53747644609 in words is "fifty-three billion, seven hundred forty-seven million, six hundred forty-four thousand, six hundred nine".