51228282 has 16 divisors (see below), whose sum is σ = 117093312. Its totient is φ = 14636640.

The previous prime is 51228271. The next prime is 51228299. The reversal of 51228282 is 28282215.

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, 609819 + ... + 609902.

It is an arithmetic number, because the mean of its divisors is an integer number (7318332).

Almost surely, 2^51228282 is an apocalyptic number.

51228282 is an abundant number, since it is smaller than the sum of its proper divisors (65865030).

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

51228282 is a wasteful number, since it uses less digits than its factorization.

51228282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219733.

The product of its digits is 5120, while the sum is 30.

The square root of 51228282 is about 7157.3935199904. The cubic root of 51228282 is about 371.3954656743.

The spelling of 51228282 in words is "fifty-one million, two hundred twenty-eight thousand, two hundred eighty-two".