52285538 has 6 divisors (see below), whose sum is σ = 78443649. Its totient is φ = 26137656.

The previous prime is 52285531. The next prime is 52285543. The reversal of 52285538 is 83558225.

It can be written as a sum of positive squares in 2 ways, for example, as 31281649 + 21003889 = 5593^2 + 4583^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5113.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52285531) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7670 + ... + 12782.

Almost surely, 2^52285538 is an apocalyptic number.

52285538 is a deficient number, since it is larger than the sum of its proper divisors (26158111).

52285538 is an frugal number, since it uses more digits than its factorization.

52285538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10228 (or 5115 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 52285538 is about 7230.8739444136. The cubic root of 52285538 is about 373.9330573085.

The spelling of 52285538 in words is "fifty-two million, two hundred eighty-five thousand, five hundred thirty-eight".