53520737 has 2 divisors, whose sum is σ = 53520738. Its totient is φ = 53520736.

The previous prime is 53520713. The next prime is 53520751. The reversal of 53520737 is 73702535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51136801 + 2383936 = 7151^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 53520737 - 2²⁴ = 36743521 is a prime.

It is not a weakly prime, because it can be changed into another prime (53520707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760368 + 26760369.

It is an arithmetic number, because the mean of its divisors is an integer number (26760369).

Almost surely, 2^53520737 is an apocalyptic number.

It is an amenable number.

53520737 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520737 is an equidigital number, since it uses as much as digits as its factorization.

53520737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 53520737 is about 7315.7868339639. The cubic root of 53520737 is about 376.8547801683.

The spelling of 53520737 in words is "fifty-three million, five hundred twenty thousand, seven hundred thirty-seven".