51662246 has 16 divisors (see below), whose sum is σ = 78833088. Its totient is φ = 25387200.

The previous prime is 51662243. The next prime is 51662291. The reversal of 51662246 is 64226615.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51662243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62516 + ... + 63336.

It is an arithmetic number, because the mean of its divisors is an integer number (4927068).

Almost surely, 2^51662246 is an apocalyptic number.

51662246 is a deficient number, since it is larger than the sum of its proper divisors (27170842).

51662246 is a wasteful number, since it uses less digits than its factorization.

51662246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327.

The product of its digits is 17280, while the sum is 32.

The square root of 51662246 is about 7187.6453724429. The cubic root of 51662246 is about 372.4412375213.

The spelling of 51662246 in words is "fifty-one million, six hundred sixty-two thousand, two hundred forty-six".