53854958173 has 2 divisors, whose sum is σ = 53854958174. Its totient is φ = 53854958172.

The previous prime is 53854958161. The next prime is 53854958191. The reversal of 53854958173 is 37185945835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52341203524 + 1513754649 = 228782^2 + 38907^2 .

It is a cyclic number.

It is not a de Polignac number, because 53854958173 - 2²¹ = 53852861021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53854958123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26927479086 + 26927479087.

It is an arithmetic number, because the mean of its divisors is an integer number (26927479087).

Almost surely, 2^53854958173 is an apocalyptic number.

It is an amenable number.

53854958173 is a deficient number, since it is larger than the sum of its proper divisors (1).

53854958173 is an equidigital number, since it uses as much as digits as its factorization.

53854958173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 58.

The spelling of 53854958173 in words is "fifty-three billion, eight hundred fifty-four million, nine hundred fifty-eight thousand, one hundred seventy-three".