51440050 has 24 divisors (see below), whose sum is σ = 95926896. Its totient is φ = 20522640.

The previous prime is 51440047. The next prime is 51440071. The reversal of 51440050 is 5004415.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22249 + ... + 24451.

It is an arithmetic number, because the mean of its divisors is an integer number (3996954).

Almost surely, 2^51440050 is an apocalyptic number.

51440050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51440050 is a deficient number, since it is larger than the sum of its proper divisors (44486846).

51440050 is a wasteful number, since it uses less digits than its factorization.

51440050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 51440050 is about 7172.1719165118. The cubic root of 51440050 is about 371.9065215848.

Adding to 51440050 its reverse (5004415), we get a palindrome (56444465).

The spelling of 51440050 in words is "fifty-one million, four hundred forty thousand, fifty".