53689071 has 4 divisors (see below), whose sum is σ = 71585432. Its totient is φ = 35792712.

The previous prime is 53689057. The next prime is 53689073. The reversal of 53689071 is 17098635.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53689071 - 2⁵ = 53689039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53689073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8948176 + ... + 8948181.

It is an arithmetic number, because the mean of its divisors is an integer number (17896358).

Almost surely, 2^53689071 is an apocalyptic number.

53689071 is a deficient number, since it is larger than the sum of its proper divisors (17896361).

53689071 is a wasteful number, since it uses less digits than its factorization.

53689071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17896360.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 53689071 is about 7327.2826477488. The cubic root of 53689071 is about 377.2494625787.

The spelling of 53689071 in words is "fifty-three million, six hundred eighty-nine thousand, seventy-one".