52388687 has 16 divisors (see below), whose sum is σ = 59609088. Its totient is φ = 45677280.

The previous prime is 52388671. The next prime is 52388717. The reversal of 52388687 is 78688325.

It is a cyclic number.

It is not a de Polignac number, because 52388687 - 2⁴ = 52388671 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 (52388617) 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, 23762 + ... + 25872.

It is an arithmetic number, because the mean of its divisors is an integer number (3725568).

Almost surely, 2^52388687 is an apocalyptic number.

52388687 is a deficient number, since it is larger than the sum of its proper divisors (7220401).

52388687 is a wasteful number, since it uses less digits than its factorization.

52388687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 645120, while the sum is 47.

The square root of 52388687 is about 7238.0029704332. The cubic root of 52388687 is about 374.1787943770.

The spelling of 52388687 in words is "fifty-two million, three hundred eighty-eight thousand, six hundred eighty-seven".