51285484 has 24 divisors (see below), whose sum is σ = 94976000. Its totient is φ = 24163920.

The previous prime is 51285467. The next prime is 51285497. The reversal of 51285484 is 48458215.

It is a super-2 number, since 2×51285484² = 5260401738228512, which contains 22 as substring.

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, 13429 + ... + 16819.

Almost surely, 2^51285484 is an apocalyptic number.

It is an amenable number.

51285484 is a deficient number, since it is larger than the sum of its proper divisors (43690516).

51285484 is a wasteful number, since it uses less digits than its factorization.

51285484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613 (or 3611 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 51285484 is about 7161.3884128708. The cubic root of 51285484 is about 371.5336488562.

The spelling of 51285484 in words is "fifty-one million, two hundred eighty-five thousand, four hundred eighty-four".