53501705 has 8 divisors (see below), whose sum is σ = 64366152. Its totient is φ = 42691968.

The previous prime is 53501689. The next prime is 53501713. The reversal of 53501705 is 50710535.

It can be written as a sum of positive squares in 4 ways, for example, as 12503296 + 40998409 = 3536^2 + 6403^2 .

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 53501705 - 2⁴ = 53501689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11492 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (8045769).

Almost surely, 2^53501705 is an apocalyptic number.

It is an amenable number.

53501705 is a deficient number, since it is larger than the sum of its proper divisors (10864447).

53501705 is a wasteful number, since it uses less digits than its factorization.

53501705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27355.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 53501705 is about 7314.4859696359. The cubic root of 53501705 is about 376.8101049583.

The spelling of 53501705 in words is "fifty-three million, five hundred one thousand, seven hundred five".