51866106 has 16 divisors (see below), whose sum is σ = 103832064. Its totient is φ = 17272064.

The previous prime is 51866083. The next prime is 51866147. The reversal of 51866106 is 60166815.

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, 3751 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (6489504).

Almost surely, 2^51866106 is an apocalyptic number.

51866106 is an abundant number, since it is smaller than the sum of its proper divisors (51965958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51866106 is a wasteful number, since it uses less digits than its factorization.

51866106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 51866106 is about 7201.8126884834. The cubic root of 51866106 is about 372.9304808063.

The spelling of 51866106 in words is "fifty-one million, eight hundred sixty-six thousand, one hundred six".