53973677 has 2 divisors, whose sum is σ = 53973678. Its totient is φ = 53973676.

The previous prime is 53973631. The next prime is 53973679. The reversal of 53973677 is 77637935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 24314761 = 5446^2 + 4931^2 .

It is a cyclic number.

It is not a de Polignac number, because 53973677 - 2¹² = 53969581 is a prime.

Together with 53973679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53973679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26986838 + 26986839.

It is an arithmetic number, because the mean of its divisors is an integer number (26986839).

Almost surely, 2^53973677 is an apocalyptic number.

It is an amenable number.

53973677 is a deficient number, since it is larger than the sum of its proper divisors (1).

53973677 is an equidigital number, since it uses as much as digits as its factorization.

53973677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 833490, while the sum is 47.

The square root of 53973677 is about 7346.6779567366. The cubic root of 53973677 is about 377.9148885015.

The spelling of 53973677 in words is "fifty-three million, nine hundred seventy-three thousand, six hundred seventy-seven".