52242788 has 12 divisors (see below), whose sum is σ = 98457660. Its totient is φ = 24112032.

The previous prime is 52242787. The next prime is 52242809. The reversal of 52242788 is 88724225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3912484 + 48330304 = 1978^2 + 6952^2 .

It is not an unprimeable number, because it can be changed into a prime (52242787) 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, 502283 + ... + 502386.

It is an arithmetic number, because the mean of its divisors is an integer number (8204805).

Almost surely, 2^52242788 is an apocalyptic number.

It is an amenable number.

52242788 is a deficient number, since it is larger than the sum of its proper divisors (46214872).

52242788 is a wasteful number, since it uses less digits than its factorization.

52242788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004686 (or 1004684 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 52242788 is about 7227.9172657135. The cubic root of 52242788 is about 373.8311170936.

The spelling of 52242788 in words is "fifty-two million, two hundred forty-two thousand, seven hundred eighty-eight".