100055173 has 2 divisors, whose sum is σ = 100055174. Its totient is φ = 100055172.

The previous prime is 100055147. The next prime is 100055177. The reversal of 100055173 is 371550001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57047809 + 43007364 = 7553^2 + 6558^2 .

It is a cyclic number.

It is not a de Polignac number, because 100055173 - 2¹³ = 100046981 is a prime.

It is a super-2 number, since 2×100055173² = 20022075288119858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100055177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50027586 + 50027587.

It is an arithmetic number, because the mean of its divisors is an integer number (50027587).

Almost surely, 2^100055173 is an apocalyptic number.

It is an amenable number.

100055173 is a deficient number, since it is larger than the sum of its proper divisors (1).

100055173 is an equidigital number, since it uses as much as digits as its factorization.

100055173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 100055173 is about 10002.7582695974. The cubic root of 100055173 is about 464.2442311271.

The spelling of 100055173 in words is "one hundred million, fifty-five thousand, one hundred seventy-three".