52665718 has 8 divisors (see below), whose sum is σ = 90284112. Its totient is φ = 22571016.

The previous prime is 52665713. The next prime is 52665719. The reversal of 52665718 is 81756625.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52665713) 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, 1880905 + ... + 1880932.

It is an arithmetic number, because the mean of its divisors is an integer number (11285514).

Almost surely, 2^52665718 is an apocalyptic number.

52665718 is a deficient number, since it is larger than the sum of its proper divisors (37618394).

52665718 is a wasteful number, since it uses less digits than its factorization.

52665718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761846.

The product of its digits is 100800, while the sum is 40.

The square root of 52665718 is about 7257.1149915101. The cubic root of 52665718 is about 374.8371868033.

The spelling of 52665718 in words is "fifty-two million, six hundred sixty-five thousand, seven hundred eighteen".