53217771 has 16 divisors (see below), whose sum is σ = 72703488. Its totient is φ = 34610400.

The previous prime is 53217767. The next prime is 53217779. The reversal of 53217771 is 17771235.

53217771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53217771 - 2² = 53217767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53217779) 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 in 15 ways as a sum of consecutive naturals, for example, 80181 + ... + 80841.

It is an arithmetic number, because the mean of its divisors is an integer number (4543968).

Almost surely, 2^53217771 is an apocalyptic number.

53217771 is a deficient number, since it is larger than the sum of its proper divisors (19485717).

53217771 is a wasteful number, since it uses less digits than its factorization.

53217771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282.

The product of its digits is 10290, while the sum is 33.

The square root of 53217771 is about 7295.0511307324. The cubic root of 53217771 is about 376.1423441549.

The spelling of 53217771 in words is "fifty-three million, two hundred seventeen thousand, seven hundred seventy-one".