53005429989 has 12 divisors (see below), whose sum is σ = 76756258956. Its totient is φ = 35247940992.

The previous prime is 53005429951. The next prime is 53005430033. The reversal of 53005429989 is 98992450035.

It is a happy number.

53005429989 is a `hidden beast` number, since 5 + 3 + 0 + 0 + 542 + 9 + 98 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46798668900 + 6206761089 = 216330^2 + 78783^2 .

It is not a de Polignac number, because 53005429989 - 2¹¹ = 53005427941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005429909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7413924 + ... + 7421069.

It is an arithmetic number, because the mean of its divisors is an integer number (6396354913).

Almost surely, 2^53005429989 is an apocalyptic number.

It is an amenable number.

53005429989 is a deficient number, since it is larger than the sum of its proper divisors (23750828967).

53005429989 is a wasteful number, since it uses less digits than its factorization.

53005429989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14835396 (or 14835393 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 53005429989 in words is "fifty-three billion, five million, four hundred twenty-nine thousand, nine hundred eighty-nine".