171551053 has 2 divisors, whose sum is σ = 171551054. Its totient is φ = 171551052.

The previous prime is 171551033. The next prime is 171551059. The reversal of 171551053 is 350155171.

171551053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136469124 + 35081929 = 11682^2 + 5923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171551053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171551059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85775526 + 85775527.

It is an arithmetic number, because the mean of its divisors is an integer number (85775527).

Almost surely, 2^171551053 is an apocalyptic number.

It is an amenable number.

171551053 is a deficient number, since it is larger than the sum of its proper divisors (1).

171551053 is an equidigital number, since it uses as much as digits as its factorization.

171551053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 171551053 is about 13097.7499212651. The cubic root of 171551053 is about 555.6454930498.

The spelling of 171551053 in words is "one hundred seventy-one million, five hundred fifty-one thousand, fifty-three".