553840170997 has 2 divisors, whose sum is σ = 553840170998. Its totient is φ = 553840170996.

The previous prime is 553840170967. The next prime is 553840171033. The reversal of 553840170997 is 799071048355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494027642641 + 59812528356 = 702871^2 + 244566^2 .

It is a cyclic number.

It is not a de Polignac number, because 553840170997 - 2³⁵ = 519480432629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553840170967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276920085498 + 276920085499.

It is an arithmetic number, because the mean of its divisors is an integer number (276920085499).

Almost surely, 2^553840170997 is an apocalyptic number.

It is an amenable number.

553840170997 is a deficient number, since it is larger than the sum of its proper divisors (1).

553840170997 is an equidigital number, since it uses as much as digits as its factorization.

553840170997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 553840170997 in words is "five hundred fifty-three billion, eight hundred forty million, one hundred seventy thousand, nine hundred ninety-seven".