51094878 has 8 divisors (see below), whose sum is σ = 102189768. Its totient is φ = 17031624.

The previous prime is 51094867. The next prime is 51094889. The reversal of 51094878 is 87849015.

It is an interprime number because it is at equal distance from previous prime (51094867) and next prime (51094889).

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

51094878 is an admirable number.

It is a super-2 number, since 2×51094878² = 5221373115669768, which contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 4257901 + ... + 4257912.

It is an arithmetic number, because the mean of its divisors is an integer number (12773721).

Almost surely, 2^51094878 is an apocalyptic number.

51094878 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.

51094878 is a wasteful number, since it uses less digits than its factorization.

51094878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515818.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 51094878 is about 7148.0681306210. The cubic root of 51094878 is about 371.0728007420.

The spelling of 51094878 in words is "fifty-one million, ninety-four thousand, eight hundred seventy-eight".