53391677 has 2 divisors, whose sum is σ = 53391678. Its totient is φ = 53391676.

The previous prime is 53391661. The next prime is 53391683. The reversal of 53391677 is 77619335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 3463321 = 7066^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 53391677 - 2⁴ = 53391661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53391647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26695838 + 26695839.

It is an arithmetic number, because the mean of its divisors is an integer number (26695839).

Almost surely, 2^53391677 is an apocalyptic number.

It is an amenable number.

53391677 is a deficient number, since it is larger than the sum of its proper divisors (1).

53391677 is an equidigital number, since it uses as much as digits as its factorization.

53391677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 53391677 is about 7306.9608593450. The cubic root of 53391677 is about 376.5516202627.

The spelling of 53391677 in words is "fifty-three million, three hundred ninety-one thousand, six hundred seventy-seven".