53180813573 has 2 divisors, whose sum is σ = 53180813574. Its totient is φ = 53180813572.

The previous prime is 53180813563. The next prime is 53180813633. The reversal of 53180813573 is 37531808135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44084041444 + 9096772129 = 209962^2 + 95377^2 .

It is a cyclic number.

It is not a de Polignac number, because 53180813573 - 2⁴ = 53180813557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53180813513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26590406786 + 26590406787.

It is an arithmetic number, because the mean of its divisors is an integer number (26590406787).

Almost surely, 2^53180813573 is an apocalyptic number.

It is an amenable number.

53180813573 is a deficient number, since it is larger than the sum of its proper divisors (1).

53180813573 is an equidigital number, since it uses as much as digits as its factorization.

53180813573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 53180813573 in words is "fifty-three billion, one hundred eighty million, eight hundred thirteen thousand, five hundred seventy-three".