51745050 has 72 divisors (see below), whose sum is σ = 158891616. Its totient is φ = 11826720.

The previous prime is 51745033. The next prime is 51745081. The reversal of 51745050 is 5054715.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 5064 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (2206828).

Almost surely, 2^51745050 is an apocalyptic number.

51745050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51745050 is an abundant number, since it is smaller than the sum of its proper divisors (107146566).

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

51745050 is a wasteful number, since it uses less digits than its factorization.

51745050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16452 (or 16444 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 51745050 is about 7193.4032279582. The cubic root of 51745050 is about 372.6401136494.

Adding to 51745050 its reverse (5054715), we get a palindrome (56799765).

The spelling of 51745050 in words is "fifty-one million, seven hundred forty-five thousand, fifty".