51166055 has 8 divisors (see below), whose sum is σ = 61622592. Its totient is φ = 40783968.

The previous prime is 51166051. The next prime is 51166067. The reversal of 51166055 is 55066115.

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

It is a cyclic number.

It is not a de Polignac number, because 51166055 - 2² = 51166051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166051) 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, 17087 + ... + 19856.

It is an arithmetic number, because the mean of its divisors is an integer number (7702824).

Almost surely, 2^51166055 is an apocalyptic number.

51166055 is a deficient number, since it is larger than the sum of its proper divisors (10456537).

51166055 is a wasteful number, since it uses less digits than its factorization.

51166055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 51166055 is about 7153.0451557361. The cubic root of 51166055 is about 371.2450267069.

It can be divided in two parts, 511 and 66055, that added together give a palindrome (66566).

The spelling of 51166055 in words is "fifty-one million, one hundred sixty-six thousand, fifty-five".