51017055 has 16 divisors (see below), whose sum is σ = 82059264. Its totient is φ = 27065120.

The previous prime is 51017047. The next prime is 51017069. The reversal of 51017055 is 55071015.

It is not a de Polignac number, because 51017055 - 2³ = 51017047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6039 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (5128704).

Almost surely, 2^51017055 is an apocalyptic number.

51017055 is a deficient number, since it is larger than the sum of its proper divisors (31042209).

51017055 is a wasteful number, since it uses less digits than its factorization.

51017055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 51017055 is about 7142.6224175719. The cubic root of 51017055 is about 370.8843104043.

The spelling of 51017055 in words is "fifty-one million, seventeen thousand, fifty-five".