51016338 has 32 divisors (see below), whose sum is σ = 115787520. Its totient is φ = 16642800.

The previous prime is 51016331. The next prime is 51016351. The reversal of 51016338 is 83361015.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51016331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7513 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (3618360).

Almost surely, 2^51016338 is an apocalyptic number.

51016338 is an abundant number, since it is smaller than the sum of its proper divisors (64771182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51016338 is a wasteful number, since it uses less digits than its factorization.

51016338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20159 (or 20153 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 51016338 is about 7142.5722257461. The cubic root of 51016338 is about 370.8825729115.

The spelling of 51016338 in words is "fifty-one million, sixteen thousand, three hundred thirty-eight".