51714520 has 64 divisors (see below), whose sum is σ = 136715040. Its totient is φ = 17356800.

The previous prime is 51714499. The next prime is 51714529. The reversal of 51714520 is 2541715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51714529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200 + ... + 10240.

Almost surely, 2^51714520 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 51714520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68357520).

51714520 is an abundant number, since it is smaller than the sum of its proper divisors (85000520).

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

51714520 is a wasteful number, since it uses less digits than its factorization.

51714520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9076 (or 9072 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 51714520 is about 7191.2808316739. The cubic root of 51714520 is about 372.5668123329.

The spelling of 51714520 in words is "fifty-one million, seven hundred fourteen thousand, five hundred twenty".