51250328 has 48 divisors (see below), whose sum is σ = 102139440. Its totient is φ = 24088320.

The previous prime is 51250327. The next prime is 51250333. The reversal of 51250328 is 82305215.

It is a super-2 number, since 2×51250328² = 5253192240215168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51250297 and 51250306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51250321) 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, 497525 + ... + 497627.

It is an arithmetic number, because the mean of its divisors is an integer number (2127905).

Almost surely, 2^51250328 is an apocalyptic number.

It is an amenable number.

51250328 is a deficient number, since it is larger than the sum of its proper divisors (50889112).

51250328 is a wasteful number, since it uses less digits than its factorization.

51250328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51250328 is about 7158.9334401152. The cubic root of 51250328 is about 371.4487344929.

It can be divided in two parts, 51250 and 328, that multiplied together give a square (16810000 = 4100²).

The spelling of 51250328 in words is "fifty-one million, two hundred fifty thousand, three hundred twenty-eight".