53335501 has 2 divisors, whose sum is σ = 53335502. Its totient is φ = 53335500.

The previous prime is 53335487. The next prime is 53335517. The reversal of 53335501 is 10553335.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33524100 + 19811401 = 5790^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 53335501 - 2²¹ = 51238349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53335561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26667750 + 26667751.

It is an arithmetic number, because the mean of its divisors is an integer number (26667751).

Almost surely, 2^53335501 is an apocalyptic number.

It is an amenable number.

53335501 is a deficient number, since it is larger than the sum of its proper divisors (1).

53335501 is an equidigital number, since it uses as much as digits as its factorization.

53335501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 53335501 is about 7303.1158418856. The cubic root of 53335501 is about 376.4195111144.

Adding to 53335501 its reverse (10553335), we get a palindrome (63888836).

The spelling of 53335501 in words is "fifty-three million, three hundred thirty-five thousand, five hundred one".