52387143 has 4 divisors (see below), whose sum is σ = 69849528. Its totient is φ = 34924760.

The previous prime is 52387141. The next prime is 52387147. The reversal of 52387143 is 34178325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52387143 - 2¹ = 52387141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52387141) 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, 8731188 + ... + 8731193.

It is an arithmetic number, because the mean of its divisors is an integer number (17462382).

Almost surely, 2^52387143 is an apocalyptic number.

52387143 is a deficient number, since it is larger than the sum of its proper divisors (17462385).

52387143 is a wasteful number, since it uses less digits than its factorization.

52387143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462384.

The product of its digits is 20160, while the sum is 33.

The square root of 52387143 is about 7237.8963103930. The cubic root of 52387143 is about 374.1751184069.

The spelling of 52387143 in words is "fifty-two million, three hundred eighty-seven thousand, one hundred forty-three".