55029173 has 2 divisors, whose sum is σ = 55029174. Its totient is φ = 55029172.

The previous prime is 55029157. The next prime is 55029181. The reversal of 55029173 is 37192055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39212644 + 15816529 = 6262^2 + 3977^2 .

It is a cyclic number.

It is not a de Polignac number, because 55029173 - 2⁴ = 55029157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55022173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27514586 + 27514587.

It is an arithmetic number, because the mean of its divisors is an integer number (27514587).

Almost surely, 2^55029173 is an apocalyptic number.

It is an amenable number.

55029173 is a deficient number, since it is larger than the sum of its proper divisors (1).

55029173 is an equidigital number, since it uses as much as digits as its factorization.

55029173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55029173 is about 7418.1650696112. The cubic root of 55029173 is about 380.3624726958.

The spelling of 55029173 in words is "fifty-five million, twenty-nine thousand, one hundred seventy-three".