553685183893 has 2 divisors, whose sum is σ = 553685183894. Its totient is φ = 553685183892.

The previous prime is 553685183837. The next prime is 553685183903. The reversal of 553685183893 is 398381586355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533341011204 + 20344172689 = 730302^2 + 142633^2 .

It is a cyclic number.

It is not a de Polignac number, because 553685183893 - 2²¹ = 553683086741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553685883893) 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, 276842591946 + 276842591947.

It is an arithmetic number, because the mean of its divisors is an integer number (276842591947).

Almost surely, 2^553685183893 is an apocalyptic number.

It is an amenable number.

553685183893 is a deficient number, since it is larger than the sum of its proper divisors (1).

553685183893 is an equidigital number, since it uses as much as digits as its factorization.

553685183893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312000, while the sum is 64.

The spelling of 553685183893 in words is "five hundred fifty-three billion, six hundred eighty-five million, one hundred eighty-three thousand, eight hundred ninety-three".