51846144 has 88 divisors (see below), whose sum is σ = 157995648. Its totient is φ = 14807040.

The previous prime is 51846131. The next prime is 51846187. The reversal of 51846144 is 44164815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20299 + ... + 22709.

Almost surely, 2^51846144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51846144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78997824).

51846144 is an abundant number, since it is smaller than the sum of its proper divisors (106149504).

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

51846144 is a wasteful number, since it uses less digits than its factorization.

51846144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2423 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 51846144 is about 7200.4266540254. The cubic root of 51846144 is about 372.8826307163.

The spelling of 51846144 in words is "fifty-one million, eight hundred forty-six thousand, one hundred forty-four".