53705005 has 8 divisors (see below), whose sum is σ = 65329272. Its totient is φ = 42375168.

The previous prime is 53704999. The next prime is 53705009. The reversal of 53705005 is 50050735.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9229444 + 44475561 = 3038^2 + 6669^2 .

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 53705005 - 2³ = 53704997 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 (53705009) 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, 73204 + ... + 73933.

It is an arithmetic number, because the mean of its divisors is an integer number (8166159).

Almost surely, 2^53705005 is an apocalyptic number.

It is an amenable number.

53705005 is a deficient number, since it is larger than the sum of its proper divisors (11624267).

53705005 is a wasteful number, since it uses less digits than its factorization.

53705005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147215.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 53705005 is about 7328.3698733074. The cubic root of 53705005 is about 377.2867792881.

The spelling of 53705005 in words is "fifty-three million, seven hundred five thousand, five".