51736960 has 64 divisors (see below), whose sum is σ = 134946000. Its totient is φ = 18810880.

The previous prime is 51736903. The next prime is 51736969. The reversal of 51736960 is 6963715.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51736969) 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, 3366 + ... + 10714.

Almost surely, 2^51736960 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 51736960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67473000).

51736960 is an abundant number, since it is smaller than the sum of its proper divisors (83209040).

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

51736960 is a wasteful number, since it uses less digits than its factorization.

51736960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379 (or 7367 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 51736960 is about 7192.8408852136. The cubic root of 51736960 is about 372.6206926893.

The spelling of 51736960 in words is "fifty-one million, seven hundred thirty-six thousand, nine hundred sixty".