51170878 has 16 divisors (see below), whose sum is σ = 83844720. Its totient is φ = 23228800.

The previous prime is 51170869. The next prime is 51170879. The reversal of 51170878 is 87807115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51170879) 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, 29088 + ... + 30796.

It is an arithmetic number, because the mean of its divisors is an integer number (5240295).

Almost surely, 2^51170878 is an apocalyptic number.

51170878 is a deficient number, since it is larger than the sum of its proper divisors (32673842).

51170878 is a wasteful number, since it uses less digits than its factorization.

51170878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 15680, while the sum is 37.

The square root of 51170878 is about 7153.3822769373. The cubic root of 51170878 is about 371.2566910712.

The spelling of 51170878 in words is "fifty-one million, one hundred seventy thousand, eight hundred seventy-eight".