55061173 has 2 divisors, whose sum is σ = 55061174. Its totient is φ = 55061172.

The previous prime is 55061159. The next prime is 55061189. The reversal of 55061173 is 37116055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 49284 = 7417^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 55061173 - 2¹³ = 55052981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55061273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27530586 + 27530587.

It is an arithmetic number, because the mean of its divisors is an integer number (27530587).

Almost surely, 2^55061173 is an apocalyptic number.

It is an amenable number.

55061173 is a deficient number, since it is larger than the sum of its proper divisors (1).

55061173 is an equidigital number, since it uses as much as digits as its factorization.

55061173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 55061173 is about 7420.3216237573. The cubic root of 55061173 is about 380.4361865699.

The spelling of 55061173 in words is "fifty-five million, sixty-one thousand, one hundred seventy-three".