51727360 has 44 divisors (see below), whose sum is σ = 124097328. Its totient is φ = 20688896.

The previous prime is 51727349. The next prime is 51727397. The reversal of 51727360 is 6372715.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 10171.

Almost surely, 2^51727360 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 51727360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62048664).

51727360 is an abundant number, since it is smaller than the sum of its proper divisors (72369968).

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

51727360 is a wasteful number, since it uses less digits than its factorization.

51727360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128 (or 10110 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 51727360 is about 7192.1735240468. The cubic root of 51727360 is about 372.5976441767.

The spelling of 51727360 in words is "fifty-one million, seven hundred twenty-seven thousand, three hundred sixty".