53687725029 has 6 divisors (see below), whose sum is σ = 77548936166. Its totient is φ = 35791816680.

The previous prime is 53687725009. The next prime is 53687725033. The reversal of 53687725029 is 92052778635.

53687725029 is a `hidden beast` number, since 5 + 3 + 68 + 7 + 72 + 502 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41199662529 + 12488062500 = 202977^2 + 111750^2 .

It is not a de Polignac number, because 53687725029 - 2⁸ = 53687724773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53687725009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2982651382 + ... + 2982651399.

Almost surely, 2^53687725029 is an apocalyptic number.

It is an amenable number.

53687725029 is a deficient number, since it is larger than the sum of its proper divisors (23861211137).

53687725029 is a wasteful number, since it uses less digits than its factorization.

53687725029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965302787 (or 5965302784 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 53687725029 in words is "fifty-three billion, six hundred eighty-seven million, seven hundred twenty-five thousand, twenty-nine".