51036544 has 32 divisors (see below), whose sum is σ = 109499040. Its totient is φ = 23554560.

The previous prime is 51036529. The next prime is 51036547. The reversal of 51036544 is 44563015.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51036547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13672 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (3421845).

Almost surely, 2^51036544 is an apocalyptic number.

It is an amenable number.

51036544 is an abundant number, since it is smaller than the sum of its proper divisors (58462496).

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

51036544 is a wasteful number, since it uses less digits than its factorization.

51036544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30698 (or 30686 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 51036544 is about 7143.9865621374. The cubic root of 51036544 is about 370.9315315026.

Adding to 51036544 its reverse (44563015), we get a palindrome (95599559).

The spelling of 51036544 in words is "fifty-one million, thirty-six thousand, five hundred forty-four".