51322888 has 8 divisors (see below), whose sum is σ = 96230430. Its totient is φ = 25661440.

The previous prime is 51322883. The next prime is 51322889. The reversal of 51322888 is 88822315.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 12659364 = 6218^2 + 3558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51322883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207673 + ... + 3207688.

Almost surely, 2^51322888 is an apocalyptic number.

It is an amenable number.

51322888 is a deficient number, since it is larger than the sum of its proper divisors (44907542).

51322888 is a wasteful number, since it uses less digits than its factorization.

51322888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415367 (or 6415363 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 51322888 is about 7163.9994416527. Note that the first 3 decimals coincide. The cubic root of 51322888 is about 371.6239503505.

The spelling of 51322888 in words is "fifty-one million, three hundred twenty-two thousand, eight hundred eighty-eight".