51075344 has 40 divisors (see below), whose sum is σ = 110305440. Its totient is φ = 22768128.

The previous prime is 51075319. The next prime is 51075347. The reversal of 51075344 is 44357015.

It is not an unprimeable number, because it can be changed into a prime (51075347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (2757636).

Almost surely, 2^51075344 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 51075344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55152720).

51075344 is an abundant number, since it is smaller than the sum of its proper divisors (59230096).

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

51075344 is a wasteful number, since it uses less digits than its factorization.

51075344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927 (or 9921 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 51075344 is about 7146.7016168300. The cubic root of 51075344 is about 371.0255066341.

The spelling of 51075344 in words is "fifty-one million, seventy-five thousand, three hundred forty-four".