52662665 has 16 divisors (see below), whose sum is σ = 69154560. Its totient is φ = 38181120.

The previous prime is 52662647. The next prime is 52662671. The reversal of 52662665 is 56626625.

It is not a de Polignac number, because 52662665 - 2¹⁰ = 52661641 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18881 + ... + 21489.

It is an arithmetic number, because the mean of its divisors is an integer number (4322160).

Almost surely, 2^52662665 is an apocalyptic number.

52662665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52662665 is a deficient number, since it is larger than the sum of its proper divisors (16491895).

52662665 is a wasteful number, since it uses less digits than its factorization.

52662665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its digits is 129600, while the sum is 38.

The square root of 52662665 is about 7256.9046431657. The cubic root of 52662665 is about 374.8299436346.

The spelling of 52662665 in words is "fifty-two million, six hundred sixty-two thousand, six hundred sixty-five".