51170975855 has 8 divisors (see below), whose sum is σ = 61468027632. Its totient is φ = 40894876288.

The previous prime is 51170975831. The next prime is 51170975857. The reversal of 51170975855 is 55857907115.

51170975855 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 cyclic number.

It is not a de Polignac number, because 51170975855 - 2¹⁴ = 51170959471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51170975797 and 51170975806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51170975857) 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, 5232677 + ... + 5242446.

It is an arithmetic number, because the mean of its divisors is an integer number (7683503454).

Almost surely, 2^51170975855 is an apocalyptic number.

51170975855 is a deficient number, since it is larger than the sum of its proper divisors (10297051777).

51170975855 is a wasteful number, since it uses less digits than its factorization.

51170975855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476105.

The product of its (nonzero) digits is 2205000, while the sum is 53.

The spelling of 51170975855 in words is "fifty-one billion, one hundred seventy million, nine hundred seventy-five thousand, eight hundred fifty-five".