52541666 has 4 divisors (see below), whose sum is σ = 78812502. Its totient is φ = 26270832.

The previous prime is 52541663. The next prime is 52541689. The reversal of 52541666 is 66614525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 6911641 = 6755^2 + 2629^2 .

It is not an unprimeable number, because it can be changed into a prime (52541663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13135415 + ... + 13135418.

Almost surely, 2^52541666 is an apocalyptic number.

52541666 is a deficient number, since it is larger than the sum of its proper divisors (26270836).

52541666 is a wasteful number, since it uses less digits than its factorization.

52541666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26270835.

The product of its digits is 43200, while the sum is 35.

The square root of 52541666 is about 7248.5630300081. The cubic root of 52541666 is about 374.5426507408.

The spelling of 52541666 in words is "fifty-two million, five hundred forty-one thousand, six hundred sixty-six".