51045246 has 72 divisors (see below), whose sum is σ = 130093392. Its totient is φ = 14169600.

The previous prime is 51045209. The next prime is 51045301. The reversal of 51045246 is 64254015.

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 35 ways as a sum of consecutive naturals, for example, 211686 + ... + 211926.

Almost surely, 2^51045246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51045246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65046696).

51045246 is an abundant number, since it is smaller than the sum of its proper divisors (79048146).

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

51045246 is a wasteful number, since it uses less digits than its factorization.

51045246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 51045246 is about 7144.5955798771. The cubic root of 51045246 is about 370.9526122322.

The spelling of 51045246 in words is "fifty-one million, forty-five thousand, two hundred forty-six".