53117653 has 8 divisors (see below), whose sum is σ = 53763608. Its totient is φ = 52475904.

The previous prime is 53117651. The next prime is 53117657. The reversal of 53117653 is 35671135.

It can be written as a sum of positive squares in 4 ways, for example, as 1306449 + 51811204 = 1143^2 + 7198^2 .

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 53117653 - 2¹ = 53117651 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 (53117651) 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, 29425 + ... + 31177.

It is an arithmetic number, because the mean of its divisors is an integer number (6720451).

Almost surely, 2^53117653 is an apocalyptic number.

It is an amenable number.

53117653 is a deficient number, since it is larger than the sum of its proper divisors (645955).

53117653 is a wasteful number, since it uses less digits than its factorization.

53117653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its digits is 9450, while the sum is 31.

The square root of 53117653 is about 7288.1858510880. The cubic root of 53117653 is about 375.9063186143.

Adding to 53117653 its reverse (35671135), we get a palindrome (88788788).

The spelling of 53117653 in words is "fifty-three million, one hundred seventeen thousand, six hundred fifty-three".