53171477 has 2 divisors, whose sum is σ = 53171478. Its totient is φ = 53171476.

The previous prime is 53171467. The next prime is 53171483. The reversal of 53171477 is 77417135.

53171477 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., 35117476 + 18054001 = 5926^2 + 4249^2 .

It is a cyclic number.

It is not a de Polignac number, because 53171477 - 2⁸ = 53171221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53171467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26585738 + 26585739.

It is an arithmetic number, because the mean of its divisors is an integer number (26585739).

Almost surely, 2^53171477 is an apocalyptic number.

It is an amenable number.

53171477 is a deficient number, since it is larger than the sum of its proper divisors (1).

53171477 is an equidigital number, since it uses as much as digits as its factorization.

53171477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 35.

The square root of 53171477 is about 7291.8774674291. The cubic root of 53171477 is about 376.0332440993.

The spelling of 53171477 in words is "fifty-three million, one hundred seventy-one thousand, four hundred seventy-seven".