53644413529 has 16 divisors (see below), whose sum is σ = 65349936000. Its totient is φ = 42985707264.

The previous prime is 53644413523. The next prime is 53644413551. The reversal of 53644413529 is 92531444635.

It is a cyclic number.

It is not a de Polignac number, because 53644413529 - 2³ = 53644413521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53644413521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494999 + ... + 1530460.

It is an arithmetic number, because the mean of its divisors is an integer number (4084371000).

Almost surely, 2^53644413529 is an apocalyptic number.

It is an amenable number.

53644413529 is a deficient number, since it is larger than the sum of its proper divisors (11705522471).

53644413529 is a wasteful number, since it uses less digits than its factorization.

53644413529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025632.

The product of its digits is 1555200, while the sum is 46.

The spelling of 53644413529 in words is "fifty-three billion, six hundred forty-four million, four hundred thirteen thousand, five hundred twenty-nine".