51700228 has 36 divisors (see below), whose sum is σ = 96573708. Its totient is φ = 24207040.

The previous prime is 51700223. The next prime is 51700237. The reversal of 51700228 is 82200715.

It can be written as a sum of positive squares in 2 ways, for example, as 27019204 + 24681024 = 5198^2 + 4968^2 .

It is not an unprimeable number, because it can be changed into a prime (51700223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111918 + ... + 112378.

It is an arithmetic number, because the mean of its divisors is an integer number (2682603).

Almost surely, 2^51700228 is an apocalyptic number.

It is an amenable number.

51700228 is a deficient number, since it is larger than the sum of its proper divisors (44873480).

51700228 is a wasteful number, since it uses less digits than its factorization.

51700228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 51700228 is about 7190.2870596382. The cubic root of 51700228 is about 372.5324878951.

The spelling of 51700228 in words is "fifty-one million, seven hundred thousand, two hundred twenty-eight".