51392288 has 12 divisors (see below), whose sum is σ = 101178630. Its totient is φ = 25696128.

The previous prime is 51392279. The next prime is 51392293. The reversal of 51392288 is 88229315.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 868624 = 7108^2 + 932^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802973 + ... + 803036.

Almost surely, 2^51392288 is an apocalyptic number.

It is an amenable number.

51392288 is a deficient number, since it is larger than the sum of its proper divisors (49786342).

51392288 is a wasteful number, since it uses less digits than its factorization.

51392288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606019 (or 1606011 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 51392288 is about 7168.8414684662. The cubic root of 51392288 is about 371.7913810814.

The spelling of 51392288 in words is "fifty-one million, three hundred ninety-two thousand, two hundred eighty-eight".