55070161 has 2 divisors, whose sum is σ = 55070162. Its totient is φ = 55070160.

The previous prime is 55070107. The next prime is 55070177. The reversal of 55070161 is 16107055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49617936 + 5452225 = 7044^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 55070161 - 2¹³ = 55061969 is a prime.

It is not a weakly prime, because it can be changed into another prime (55071161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27535080 + 27535081.

It is an arithmetic number, because the mean of its divisors is an integer number (27535081).

Almost surely, 2^55070161 is an apocalyptic number.

It is an amenable number.

55070161 is a deficient number, since it is larger than the sum of its proper divisors (1).

55070161 is an equidigital number, since it uses as much as digits as its factorization.

55070161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 55070161 is about 7420.9272331697. The cubic root of 55070161 is about 380.4568858165.

The spelling of 55070161 in words is "fifty-five million, seventy thousand, one hundred sixty-one".