52552287 has 16 divisors (see below), whose sum is σ = 82435680. Its totient is φ = 32973696.

The previous prime is 52552277. The next prime is 52552319. The reversal of 52552287 is 78225525.

52552287 is a `hidden beast` number, since 52 + 5 + 522 + 87 = 666.

It is not a de Polignac number, because 52552287 - 2¹⁰ = 52551263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56788 + ... + 57705.

It is an arithmetic number, because the mean of its divisors is an integer number (5152230).

Almost surely, 2^52552287 is an apocalyptic number.

52552287 is a deficient number, since it is larger than the sum of its proper divisors (29883393).

52552287 is a wasteful number, since it uses less digits than its factorization.

52552287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114519 (or 114513 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 52552287 is about 7249.2956209552. The cubic root of 52552287 is about 374.5678862652.

The spelling of 52552287 in words is "fifty-two million, five hundred fifty-two thousand, two hundred eighty-seven".