52166655 has 12 divisors (see below), whose sum is σ = 90422280. Its totient is φ = 27822192.

The previous prime is 52166641. The next prime is 52166657. The reversal of 52166655 is 55666125.

It is a happy number.

It is not a de Polignac number, because 52166655 - 2¹² = 52162559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579585 + ... + 579674.

It is an arithmetic number, because the mean of its divisors is an integer number (7535190).

Almost surely, 2^52166655 is an apocalyptic number.

52166655 is a deficient number, since it is larger than the sum of its proper divisors (38255625).

52166655 is a wasteful number, since it uses less digits than its factorization.

52166655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159270 (or 1159267 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 52166655 is about 7222.6487523623. The cubic root of 52166655 is about 373.6494351046.

It can be divided in two parts, 521 and 66655, that added together give a palindrome (67176).

The spelling of 52166655 in words is "fifty-two million, one hundred sixty-six thousand, six hundred fifty-five".