52555287 has 8 divisors (see below), whose sum is σ = 70111600. Its totient is φ = 35017920.

The previous prime is 52555219. The next prime is 52555289. The reversal of 52555287 is 78255525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52555287 - 2⁸ = 52555031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555289) 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, 4089 + ... + 11037.

It is an arithmetic number, because the mean of its divisors is an integer number (8763950).

Almost surely, 2^52555287 is an apocalyptic number.

52555287 is a deficient number, since it is larger than the sum of its proper divisors (17556313).

52555287 is a wasteful number, since it uses less digits than its factorization.

52555287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473.

The product of its digits is 140000, while the sum is 39.

The square root of 52555287 is about 7249.5025346571. The cubic root of 52555287 is about 374.5750136573.

The spelling of 52555287 in words is "fifty-two million, five hundred fifty-five thousand, two hundred eighty-seven".