53968099477 has 2 divisors, whose sum is σ = 53968099478. Its totient is φ = 53968099476.

The previous prime is 53968099457. The next prime is 53968099489. The reversal of 53968099477 is 77499086935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53752567716 + 215531761 = 231846^2 + 14681^2 .

It is a cyclic number.

It is not a de Polignac number, because 53968099477 - 2⁷ = 53968099349 is a prime.

It is a super-2 number, since 2×53968099477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53968099417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26984049738 + 26984049739.

It is an arithmetic number, because the mean of its divisors is an integer number (26984049739).

Almost surely, 2^53968099477 is an apocalyptic number.

It is an amenable number.

53968099477 is a deficient number, since it is larger than the sum of its proper divisors (1).

53968099477 is an equidigital number, since it uses as much as digits as its factorization.

53968099477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 53968099477 in words is "fifty-three billion, nine hundred sixty-eight million, ninety-nine thousand, four hundred seventy-seven".