53236501 has 2 divisors, whose sum is σ = 53236502. Its totient is φ = 53236500.

The previous prime is 53236493. The next prime is 53236529. The reversal of 53236501 is 10563235.

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., 47969476 + 5267025 = 6926^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 53236501 - 2³ = 53236493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53236201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26618250 + 26618251.

It is an arithmetic number, because the mean of its divisors is an integer number (26618251).

Almost surely, 2^53236501 is an apocalyptic number.

It is an amenable number.

53236501 is a deficient number, since it is larger than the sum of its proper divisors (1).

53236501 is an equidigital number, since it uses as much as digits as its factorization.

53236501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53236501 is about 7296.3347647980. The cubic root of 53236501 is about 376.1864667580.

Adding to 53236501 its reverse (10563235), we get a palindrome (63799736).

The spelling of 53236501 in words is "fifty-three million, two hundred thirty-six thousand, five hundred one".