51126078 has 8 divisors (see below), whose sum is σ = 102252168. Its totient is φ = 17042024.

The previous prime is 51126029. The next prime is 51126121. The reversal of 51126078 is 87062115.

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

51126078 is an admirable number.

It is a super-2 number, since 2×51126078² = 5227751703324168, which contains 22 as substring.

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, 4260501 + ... + 4260512.

It is an arithmetic number, because the mean of its divisors is an integer number (12781521).

Almost surely, 2^51126078 is an apocalyptic number.

51126078 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.

51126078 is a wasteful number, since it uses less digits than its factorization.

51126078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521018.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 51126078 is about 7150.2502054124. The cubic root of 51126078 is about 371.1483146103.

The spelling of 51126078 in words is "fifty-one million, one hundred twenty-six thousand, seventy-eight".