51055966 has 8 divisors (see below), whose sum is σ = 82475064. Its totient is φ = 23564280.

The previous prime is 51055957. The next prime is 51055973. The reversal of 51055966 is 66955015.

51055966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981820 + ... + 981871.

It is an arithmetic number, because the mean of its divisors is an integer number (10309383).

Almost surely, 2^51055966 is an apocalyptic number.

51055966 is a deficient number, since it is larger than the sum of its proper divisors (31419098).

51055966 is a wasteful number, since it uses less digits than its factorization.

51055966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963706.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 51055966 is about 7145.3457579042. The cubic root of 51055966 is about 370.9785783046.

The spelling of 51055966 in words is "fifty-one million, fifty-five thousand, nine hundred sixty-six".