53178161 has 2 divisors, whose sum is σ = 53178162. Its totient is φ = 53178160.

The previous prime is 53178137. The next prime is 53178187. The reversal of 53178161 is 16187135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27615025 + 25563136 = 5255^2 + 5056^2 .

It is a cyclic number.

It is not a de Polignac number, because 53178161 - 2¹⁴ = 53161777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53178661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26589080 + 26589081.

It is an arithmetic number, because the mean of its divisors is an integer number (26589081).

Almost surely, 2^53178161 is an apocalyptic number.

It is an amenable number.

53178161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53178161 is an equidigital number, since it uses as much as digits as its factorization.

53178161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 53178161 is about 7292.3357712053. The cubic root of 53178161 is about 376.0490000461.

It can be divided in two parts, 53178 and 161, that multiplied together give a palindrome (8561658).

The spelling of 53178161 in words is "fifty-three million, one hundred seventy-eight thousand, one hundred sixty-one".