51879426 has 8 divisors (see below), whose sum is σ = 103758864. Its totient is φ = 17293140.

The previous prime is 51879419. The next prime is 51879433. The reversal of 51879426 is 62497815.

It is an interprime number because it is at equal distance from previous prime (51879419) and next prime (51879433).

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

51879426 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323280 + ... + 4323291.

It is an arithmetic number, because the mean of its divisors is an integer number (12969858).

Almost surely, 2^51879426 is an apocalyptic number.

51879426 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.

51879426 is a wasteful number, since it uses less digits than its factorization.

51879426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646576.

The product of its digits is 120960, while the sum is 42.

The square root of 51879426 is about 7202.7373962959. The cubic root of 51879426 is about 372.9624028019.

The spelling of 51879426 in words is "fifty-one million, eight hundred seventy-nine thousand, four hundred twenty-six".