53895729 has 8 divisors (see below), whose sum is σ = 76088160. Its totient is φ = 33816896.

The previous prime is 53895719. The next prime is 53895731. The reversal of 53895729 is 92759835.

It is a happy number.

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 53895729 - 2⁴ = 53895713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53895719) 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, 528339 + ... + 528440.

It is an arithmetic number, because the mean of its divisors is an integer number (9511020).

Almost surely, 2^53895729 is an apocalyptic number.

It is an amenable number.

53895729 is a deficient number, since it is larger than the sum of its proper divisors (22192431).

53895729 is a wasteful number, since it uses less digits than its factorization.

53895729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056799.

The product of its digits is 680400, while the sum is 48.

The square root of 53895729 is about 7341.3710572345. The cubic root of 53895729 is about 377.7328744560.

The spelling of 53895729 in words is "fifty-three million, eight hundred ninety-five thousand, seven hundred twenty-nine".