53953493677 has 2 divisors, whose sum is σ = 53953493678. Its totient is φ = 53953493676.

The previous prime is 53953493669. The next prime is 53953493687. The reversal of 53953493677 is 77639435935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53948888361 + 4605316 = 232269^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 53953493677 - 2³ = 53953493669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53953493687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26976746838 + 26976746839.

It is an arithmetic number, because the mean of its divisors is an integer number (26976746839).

Almost surely, 2^53953493677 is an apocalyptic number.

It is an amenable number.

53953493677 is a deficient number, since it is larger than the sum of its proper divisors (1).

53953493677 is an equidigital number, since it uses as much as digits as its factorization.

53953493677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64297800, while the sum is 61.

The spelling of 53953493677 in words is "fifty-three billion, nine hundred fifty-three million, four hundred ninety-three thousand, six hundred seventy-seven".