53165537 has 2 divisors, whose sum is σ = 53165538. Its totient is φ = 53165536.

The previous prime is 53165533. The next prime is 53165557. The reversal of 53165537 is 73556135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 1957201 = 7156^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 53165537 - 2² = 53165533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53165497 and 53165506.

It is not a weakly prime, because it can be changed into another prime (53165531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26582768 + 26582769.

It is an arithmetic number, because the mean of its divisors is an integer number (26582769).

Almost surely, 2^53165537 is an apocalyptic number.

It is an amenable number.

53165537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53165537 is an equidigital number, since it uses as much as digits as its factorization.

53165537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 35.

The square root of 53165537 is about 7291.4701535424. The cubic root of 53165537 is about 376.0192408480.

The spelling of 53165537 in words is "fifty-three million, one hundred sixty-five thousand, five hundred thirty-seven".