155708053 has 2 divisors, whose sum is σ = 155708054. Its totient is φ = 155708052.

The previous prime is 155707997. The next prime is 155708093. The reversal of 155708053 is 350807551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155700484 + 7569 = 12478^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 155708053 - 2²¹ = 153610901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155708093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77854026 + 77854027.

It is an arithmetic number, because the mean of its divisors is an integer number (77854027).

Almost surely, 2^155708053 is an apocalyptic number.

It is an amenable number.

155708053 is a deficient number, since it is larger than the sum of its proper divisors (1).

155708053 is an equidigital number, since it uses as much as digits as its factorization.

155708053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 155708053 is about 12478.3032901112. The cubic root of 155708053 is about 537.9852368083.

The spelling of 155708053 in words is "one hundred fifty-five million, seven hundred eight thousand, fifty-three".