55176013 has 2 divisors, whose sum is σ = 55176014. Its totient is φ = 55176012.

The previous prime is 55175987. The next prime is 55176029. The reversal of 55176013 is 31067155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44916804 + 10259209 = 6702^2 + 3203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55176013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55176083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27588006 + 27588007.

It is an arithmetic number, because the mean of its divisors is an integer number (27588007).

Almost surely, 2^55176013 is an apocalyptic number.

It is an amenable number.

55176013 is a deficient number, since it is larger than the sum of its proper divisors (1).

55176013 is an equidigital number, since it uses as much as digits as its factorization.

55176013 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55176013 is about 7428.0558021598. The cubic root of 55176013 is about 380.7004923136.

The spelling of 55176013 in words is "fifty-five million, one hundred seventy-six thousand, thirteen".