53636537 has 2 divisors, whose sum is σ = 53636538. Its totient is φ = 53636536.

The previous prime is 53636533. The next prime is 53636567. The reversal of 53636537 is 73563635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27206656 + 26429881 = 5216^2 + 5141^2 .

It is a cyclic number.

It is not a de Polignac number, because 53636537 - 2² = 53636533 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53636537.

It is not a weakly prime, because it can be changed into another prime (53636533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26818268 + 26818269.

It is an arithmetic number, because the mean of its divisors is an integer number (26818269).

Almost surely, 2^53636537 is an apocalyptic number.

It is an amenable number.

53636537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53636537 is an equidigital number, since it uses as much as digits as its factorization.

53636537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 38.

The square root of 53636537 is about 7323.6969489459. The cubic root of 53636537 is about 377.1263779954.

It can be divided in two parts, 536 and 36537, that added together give a palindrome (37073).

The spelling of 53636537 in words is "fifty-three million, six hundred thirty-six thousand, five hundred thirty-seven".