51506050 has 12 divisors (see below), whose sum is σ = 95801346. Its totient is φ = 20602400.

The previous prime is 51506047. The next prime is 51506051. The reversal of 51506050 is 5060515.

It can be written as a sum of positive squares in 3 ways, for example, as 30041361 + 21464689 = 5481^2 + 4633^2 .

It is not an unprimeable number, because it can be changed into a prime (51506051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515011 + ... + 515110.

Almost surely, 2^51506050 is an apocalyptic number.

51506050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51506050 is a deficient number, since it is larger than the sum of its proper divisors (44295296).

51506050 is a wasteful number, since it uses less digits than its factorization.

51506050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030133 (or 1030128 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 51506050 is about 7176.7715582983. The cubic root of 51506050 is about 372.0655114515.

Adding to 51506050 its reverse (5060515), we get a palindrome (56566565).

The spelling of 51506050 in words is "fifty-one million, five hundred six thousand, fifty".