52645516 has 24 divisors (see below), whose sum is σ = 114863616. Its totient is φ = 20511120.

The previous prime is 52645507. The next prime is 52645519. The reversal of 52645516 is 61554625.

It is not an unprimeable number, because it can be changed into a prime (52645519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85156 + ... + 85771.

It is an arithmetic number, because the mean of its divisors is an integer number (4785984).

Almost surely, 2^52645516 is an apocalyptic number.

It is an amenable number.

52645516 is an abundant number, since it is smaller than the sum of its proper divisors (62218100).

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

52645516 is a wasteful number, since it uses less digits than its factorization.

52645516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170949 (or 170947 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 52645516 is about 7255.7229825842. The cubic root of 52645516 is about 374.7892528431.

The spelling of 52645516 in words is "fifty-two million, six hundred forty-five thousand, five hundred sixteen".