55180297 has 2 divisors, whose sum is σ = 55180298. Its totient is φ = 55180296.

The previous prime is 55180271. The next prime is 55180337. The reversal of 55180297 is 79208155.

55180297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33918976 + 21261321 = 5824^2 + 4611^2 .

It is a cyclic number.

It is not a de Polignac number, because 55180297 - 2¹⁵ = 55147529 is a prime.

It is not a weakly prime, because it can be changed into another prime (55180247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27590148 + 27590149.

It is an arithmetic number, because the mean of its divisors is an integer number (27590149).

Almost surely, 2^55180297 is an apocalyptic number.

It is an amenable number.

55180297 is a deficient number, since it is larger than the sum of its proper divisors (1).

55180297 is an equidigital number, since it uses as much as digits as its factorization.

55180297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 55180297 is about 7428.3441627324. The cubic root of 55180297 is about 380.7103448964.

The spelling of 55180297 in words is "fifty-five million, one hundred eighty thousand, two hundred ninety-seven".