52666485 has 16 divisors (see below), whose sum is σ = 85649280. Its totient is φ = 27627840.

The previous prime is 52666469. The next prime is 52666487. The reversal of 52666485 is 58466625.

It is not a de Polignac number, because 52666485 - 2⁴ = 52666469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52666487) 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, 27865 + ... + 29694.

It is an arithmetic number, because the mean of its divisors is an integer number (5353080).

Almost surely, 2^52666485 is an apocalyptic number.

It is an amenable number.

52666485 is a deficient number, since it is larger than the sum of its proper divisors (32982795).

52666485 is a wasteful number, since it uses less digits than its factorization.

52666485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57628.

The product of its digits is 345600, while the sum is 42.

The square root of 52666485 is about 7257.1678360088. The cubic root of 52666485 is about 374.8390064483.

The spelling of 52666485 in words is "fifty-two million, six hundred sixty-six thousand, four hundred eighty-five".