52289812 has 12 divisors (see below), whose sum is σ = 93058560. Its totient is φ = 25701656.

The previous prime is 52289791. The next prime is 52289819. The reversal of 52289812 is 21898225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52289819) 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, 110548 + ... + 111019.

It is an arithmetic number, because the mean of its divisors is an integer number (7754880).

Almost surely, 2^52289812 is an apocalyptic number.

It is an amenable number.

52289812 is a deficient number, since it is larger than the sum of its proper divisors (40768748).

52289812 is a wasteful number, since it uses less digits than its factorization.

52289812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221630 (or 221628 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 52289812 is about 7231.1694766476. The cubic root of 52289812 is about 373.9432458897.

The spelling of 52289812 in words is "fifty-two million, two hundred eighty-nine thousand, eight hundred twelve".