52118566 has 8 divisors (see below), whose sum is σ = 82776600. Its totient is φ = 24526368.

The previous prime is 52118551. The next prime is 52118567. The reversal of 52118566 is 66581125.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1532899 = 52118566 / (5 + 2 + 1 + 1 + 8 + 5 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52118567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766416 + ... + 766483.

It is an arithmetic number, because the mean of its divisors is an integer number (10347075).

Almost surely, 2^52118566 is an apocalyptic number.

52118566 is a deficient number, since it is larger than the sum of its proper divisors (30658034).

52118566 is a wasteful number, since it uses less digits than its factorization.

52118566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532918.

The product of its digits is 14400, while the sum is 34.

The square root of 52118566 is about 7219.3189429475. The cubic root of 52118566 is about 373.5345855465.

The spelling of 52118566 in words is "fifty-two million, one hundred eighteen thousand, five hundred sixty-six".