51879018 has 8 divisors (see below), whose sum is σ = 103758048. Its totient is φ = 17293004.

The previous prime is 51879011. The next prime is 51879043. The reversal of 51879018 is 81097815.

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

51879018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51879011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323246 + ... + 4323257.

It is an arithmetic number, because the mean of its divisors is an integer number (12969756).

Almost surely, 2^51879018 is an apocalyptic number.

51879018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51879018 is a wasteful number, since it uses less digits than its factorization.

51879018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646508.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 51879018 is about 7202.7090736750. The cubic root of 51879018 is about 372.9614250922.

The spelling of 51879018 in words is "fifty-one million, eight hundred seventy-nine thousand, eighteen".