53375537 has 2 divisors, whose sum is σ = 53375538. Its totient is φ = 53375536.

The previous prime is 53375533. The next prime is 53375561. The reversal of 53375537 is 73557335.

53375537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53129521 + 246016 = 7289^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 53375537 - 2² = 53375533 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 53375537.

It is not a weakly prime, because it can be changed into another prime (53375533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26687768 + 26687769.

It is an arithmetic number, because the mean of its divisors is an integer number (26687769).

Almost surely, 2^53375537 is an apocalyptic number.

It is an amenable number.

53375537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53375537 is an equidigital number, since it uses as much as digits as its factorization.

53375537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165375, while the sum is 38.

The square root of 53375537 is about 7305.8563495322. The cubic root of 53375537 is about 376.5136733017.

The spelling of 53375537 in words is "fifty-three million, three hundred seventy-five thousand, five hundred thirty-seven".