53717669 has 2 divisors, whose sum is σ = 53717670. Its totient is φ = 53717668.

The previous prime is 53717633. The next prime is 53717681. The reversal of 53717669 is 96671735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 6630625 = 6862^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 53717669 - 2¹⁶ = 53652133 is a prime.

It is a super-2 number, since 2×53717669² = 5771175925587122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53717689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26858834 + 26858835.

It is an arithmetic number, because the mean of its divisors is an integer number (26858835).

Almost surely, 2^53717669 is an apocalyptic number.

It is an amenable number.

53717669 is a deficient number, since it is larger than the sum of its proper divisors (1).

53717669 is an equidigital number, since it uses as much as digits as its factorization.

53717669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 44.

The square root of 53717669 is about 7329.2338617348. The cubic root of 53717669 is about 377.3164325408.

The spelling of 53717669 in words is "fifty-three million, seven hundred seventeen thousand, six hundred sixty-nine".