52666456 has 32 divisors (see below), whose sum is σ = 100800000. Its totient is φ = 25792416.

The previous prime is 52666433. The next prime is 52666463. The reversal of 52666456 is 65466625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105295 + ... + 105793.

It is an arithmetic number, because the mean of its divisors is an integer number (3150000).

Almost surely, 2^52666456 is an apocalyptic number.

It is an amenable number.

52666456 is a deficient number, since it is larger than the sum of its proper divisors (48133544).

52666456 is a wasteful number, since it uses less digits than its factorization.

52666456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 747 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 52666456 is about 7257.1658379839. The cubic root of 52666456 is about 374.8389376485.

The spelling of 52666456 in words is "fifty-two million, six hundred sixty-six thousand, four hundred fifty-six".