52170648 has 16 divisors (see below), whose sum is σ = 130426680. Its totient is φ = 17390208.

The previous prime is 52170607. The next prime is 52170649. The reversal of 52170648 is 84607125.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086865 + ... + 1086912.

Almost surely, 2^52170648 is an apocalyptic number.

It is an amenable number.

52170648 is an abundant number, since it is smaller than the sum of its proper divisors (78256032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52170648 is a wasteful number, since it uses less digits than its factorization.

52170648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173786 (or 2173782 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 52170648 is about 7222.9251692095. The cubic root of 52170648 is about 373.6589682960.

The spelling of 52170648 in words is "fifty-two million, one hundred seventy thousand, six hundred forty-eight".