51704284 has 12 divisors (see below), whose sum is σ = 90912808. Its totient is φ = 25729200.

The previous prime is 51704267. The next prime is 51704287. The reversal of 51704284 is 48240715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51704287) 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, 29787 + ... + 31474.

Almost surely, 2^51704284 is an apocalyptic number.

It is an amenable number.

51704284 is a deficient number, since it is larger than the sum of its proper divisors (39208524).

51704284 is a wasteful number, since it uses less digits than its factorization.

51704284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61476 (or 61474 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 51704284 is about 7190.5691012603. The cubic root of 51704284 is about 372.5422296462.

Adding to 51704284 its reverse (48240715), we get a palindrome (99944999).

The spelling of 51704284 in words is "fifty-one million, seven hundred four thousand, two hundred eighty-four".