53404862773 has 2 divisors, whose sum is σ = 53404862774. Its totient is φ = 53404862772.

The previous prime is 53404862743. The next prime is 53404862783. The reversal of 53404862773 is 37726840435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45308102449 + 8096760324 = 212857^2 + 89982^2 .

It is a cyclic number.

It is not a de Polignac number, because 53404862773 - 2⁵ = 53404862741 is a prime.

It is a super-2 number, since 2×53404862773² (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 (53404862743) 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, 26702431386 + 26702431387.

It is an arithmetic number, because the mean of its divisors is an integer number (26702431387).

Almost surely, 2^53404862773 is an apocalyptic number.

It is an amenable number.

53404862773 is a deficient number, since it is larger than the sum of its proper divisors (1).

53404862773 is an equidigital number, since it uses as much as digits as its factorization.

53404862773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 53404862773 in words is "fifty-three billion, four hundred four million, eight hundred sixty-two thousand, seven hundred seventy-three".