51415328 has 24 divisors (see below), whose sum is σ = 101428992. Its totient is φ = 25655616.

The previous prime is 51415307. The next prime is 51415369. The reversal of 51415328 is 82351415.

It is a self number, because there is not a number n which added to its sum of digits gives 51415328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18101 + ... + 20747.

It is an arithmetic number, because the mean of its divisors is an integer number (4226208).

Almost surely, 2^51415328 is an apocalyptic number.

It is an amenable number.

51415328 is a deficient number, since it is larger than the sum of its proper divisors (50013664).

51415328 is a wasteful number, since it uses less digits than its factorization.

51415328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264 (or 3256 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 51415328 is about 7170.4482426136. The cubic root of 51415328 is about 371.8469328251.

The spelling of 51415328 in words is "fifty-one million, four hundred fifteen thousand, three hundred twenty-eight".