53705317 has 4 divisors (see below), whose sum is σ = 53762976. Its totient is φ = 53647660.

The previous prime is 53705293. The next prime is 53705341. The reversal of 53705317 is 71350735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71350735 = 5 ⋅14270147.

It is an interprime number because it is at equal distance from previous prime (53705293) and next prime (53705341).

It is a cyclic number.

It is not a de Polignac number, because 53705317 - 2²³ = 45316709 is a prime.

It is a super-2 number, since 2×53705317² = 5768522148140978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53705357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27409 + ... + 29302.

It is an arithmetic number, because the mean of its divisors is an integer number (13440744).

Almost surely, 2^53705317 is an apocalyptic number.

It is an amenable number.

53705317 is a deficient number, since it is larger than the sum of its proper divisors (57659).

53705317 is an equidigital number, since it uses as much as digits as its factorization.

53705317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57658.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 53705317 is about 7328.3911604117. The cubic root of 53705317 is about 377.2875099043.

The spelling of 53705317 in words is "fifty-three million, seven hundred five thousand, three hundred seventeen".