52856187 has 8 divisors (see below), whose sum is σ = 70518336. Its totient is φ = 35215752.

The previous prime is 52856137. The next prime is 52856189. The reversal of 52856187 is 78165825.

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

It is not a de Polignac number, because 52856187 - 2⁸ = 52855931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52856189) 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, 1528 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (8814792).

Almost surely, 2^52856187 is an apocalyptic number.

52856187 is a deficient number, since it is larger than the sum of its proper divisors (17662149).

52856187 is a wasteful number, since it uses less digits than its factorization.

52856187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857.

The product of its digits is 134400, while the sum is 42.

The square root of 52856187 is about 7270.2260625100. The cubic root of 52856187 is about 375.2885175190.

The spelling of 52856187 in words is "fifty-two million, eight hundred fifty-six thousand, one hundred eighty-seven".