53453717 has 2 divisors, whose sum is σ = 53453718. Its totient is φ = 53453716.

The previous prime is 53453681. The next prime is 53453737. The reversal of 53453717 is 71735435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 8844676 = 6679^2 + 2974^2 .

It is a cyclic number.

It is not a de Polignac number, because 53453717 - 2⁸ = 53453461 is a prime.

It is a super-2 number, since 2×53453717² = 5714599722232178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53453737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26726858 + 26726859.

It is an arithmetic number, because the mean of its divisors is an integer number (26726859).

Almost surely, 2^53453717 is an apocalyptic number.

It is an amenable number.

53453717 is a deficient number, since it is larger than the sum of its proper divisors (1).

53453717 is an equidigital number, since it uses as much as digits as its factorization.

53453717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 53453717 is about 7311.2048938598. The cubic root of 53453717 is about 376.6974121491.

The spelling of 53453717 in words is "fifty-three million, four hundred fifty-three thousand, seven hundred seventeen".