52018387 has 16 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 48308832.

The previous prime is 52018361. The next prime is 52018457. The reversal of 52018387 is 78381025.

It is not a de Polignac number, because 52018387 - 2⁷ = 52018259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52018357) 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, 169288 + ... + 169594.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^52018387 is an apocalyptic number.

52018387 is a deficient number, since it is larger than the sum of its proper divisors (3865133).

52018387 is a wasteful number, since it uses less digits than its factorization.

52018387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 52018387 is about 7212.3773473107. The cubic root of 52018387 is about 373.2951038838.

The spelling of 52018387 in words is "fifty-two million, eighteen thousand, three hundred eighty-seven".