52666246 has 4 divisors (see below), whose sum is σ = 78999372. Its totient is φ = 26333122.

The previous prime is 52666193. The next prime is 52666261. The reversal of 52666246 is 64266625.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13166560 + ... + 13166563.

It is an arithmetic number, because the mean of its divisors is an integer number (19749843).

Almost surely, 2^52666246 is an apocalyptic number.

52666246 is a deficient number, since it is larger than the sum of its proper divisors (26333126).

52666246 is a wasteful number, since it uses less digits than its factorization.

52666246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26333125.

The product of its digits is 103680, while the sum is 37.

The square root of 52666246 is about 7257.1513695113. The cubic root of 52666246 is about 374.8384394422.

The spelling of 52666246 in words is "fifty-two million, six hundred sixty-six thousand, two hundred forty-six".