53317501 has 2 divisors, whose sum is σ = 53317502. Its totient is φ = 53317500.

The previous prime is 53317499. The next prime is 53317513. The reversal of 53317501 is 10571335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 391876 = 7275^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 53317501 - 2¹ = 53317499 is a prime.

Together with 53317499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53317531) 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 as a sum of consecutive naturals, namely, 26658750 + 26658751.

It is an arithmetic number, because the mean of its divisors is an integer number (26658751).

Almost surely, 2^53317501 is an apocalyptic number.

It is an amenable number.

53317501 is a deficient number, since it is larger than the sum of its proper divisors (1).

53317501 is an equidigital number, since it uses as much as digits as its factorization.

53317501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 53317501 is about 7301.8833871817. The cubic root of 53317501 is about 376.3771608759.

Adding to 53317501 its reverse (10571335), we get a palindrome (63888836).

The spelling of 53317501 in words is "fifty-three million, three hundred seventeen thousand, five hundred one".