52485686 has 24 divisors (see below), whose sum is σ = 87751272. Its totient is φ = 23522400.

The previous prime is 52485661. The next prime is 52485689. The reversal of 52485686 is 68658425.

52485686 = 270² + 271² + ... + 561².

52485686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52485689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16181 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (3656303).

Almost surely, 2^52485686 is an apocalyptic number.

52485686 is a deficient number, since it is larger than the sum of its proper divisors (35265586).

52485686 is a wasteful number, since it uses less digits than its factorization.

52485686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068 (or 3057 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 52485686 is about 7244.7005459163. The cubic root of 52485686 is about 374.4095858806.

The spelling of 52485686 in words is "fifty-two million, four hundred eighty-five thousand, six hundred eighty-six".