53135501 has 2 divisors, whose sum is σ = 53135502. Its totient is φ = 53135500.

The previous prime is 53135483. The next prime is 53135507. The reversal of 53135501 is 10553135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28879876 + 24255625 = 5374^2 + 4925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53135501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53135507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26567750 + 26567751.

It is an arithmetic number, because the mean of its divisors is an integer number (26567751).

Almost surely, 2^53135501 is an apocalyptic number.

It is an amenable number.

53135501 is a deficient number, since it is larger than the sum of its proper divisors (1).

53135501 is an equidigital number, since it uses as much as digits as its factorization.

53135501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 53135501 is about 7289.4101956194. The cubic root of 53135501 is about 375.9484165127.

Adding to 53135501 its reverse (10553135), we get a palindrome (63688636).

The spelling of 53135501 in words is "fifty-three million, one hundred thirty-five thousand, five hundred one".