51727384 has 32 divisors (see below), whose sum is σ = 98784000. Its totient is φ = 25390080.

The previous prime is 51727349. The next prime is 51727397. The reversal of 51727384 is 48372715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148042 + ... + 148390.

It is an arithmetic number, because the mean of its divisors is an integer number (3087000).

Almost surely, 2^51727384 is an apocalyptic number.

It is an amenable number.

51727384 is a deficient number, since it is larger than the sum of its proper divisors (47056616).

51727384 is a wasteful number, since it uses less digits than its factorization.

51727384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 51727384 is about 7192.1751925269. The cubic root of 51727384 is about 372.5977018016.

The spelling of 51727384 in words is "fifty-one million, seven hundred twenty-seven thousand, three hundred eighty-four".