53377309 has 2 divisors, whose sum is σ = 53377310. Its totient is φ = 53377308.

The previous prime is 53377283. The next prime is 53377339. The reversal of 53377309 is 90377335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51408900 + 1968409 = 7170^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 53377309 - 2¹¹ = 53375261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53377339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26688654 + 26688655.

It is an arithmetic number, because the mean of its divisors is an integer number (26688655).

Almost surely, 2^53377309 is an apocalyptic number.

It is an amenable number.

53377309 is a deficient number, since it is larger than the sum of its proper divisors (1).

53377309 is an equidigital number, since it uses as much as digits as its factorization.

53377309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59535, while the sum is 37.

The square root of 53377309 is about 7305.9776210990. The cubic root of 53377309 is about 376.5178398474.

The spelling of 53377309 in words is "fifty-three million, three hundred seventy-seven thousand, three hundred nine".