162550057 has 2 divisors, whose sum is σ = 162550058. Its totient is φ = 162550056.

The previous prime is 162550051. The next prime is 162550067. The reversal of 162550057 is 750055261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108659776 + 53890281 = 10424^2 + 7341^2 .

It is a cyclic number.

It is not a de Polignac number, because 162550057 - 2¹⁹ = 162025769 is a prime.

It is not a weakly prime, because it can be changed into another prime (162550051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81275028 + 81275029.

It is an arithmetic number, because the mean of its divisors is an integer number (81275029).

Almost surely, 2^162550057 is an apocalyptic number.

It is an amenable number.

162550057 is a deficient number, since it is larger than the sum of its proper divisors (1).

162550057 is an equidigital number, since it uses as much as digits as its factorization.

162550057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 162550057 is about 12749.5120298778. The cubic root of 162550057 is about 545.7524684484.

The spelling of 162550057 in words is "one hundred sixty-two million, five hundred fifty thousand, fifty-seven".