51050529 has 12 divisors (see below), whose sum is σ = 74236500. Its totient is φ = 33804384.

The previous prime is 51050509. The next prime is 51050537. The reversal of 51050529 is 92505015.

It can be written as a sum of positive squares in 2 ways, for example, as 18045504 + 33005025 = 4248^2 + 5745^2 .

It is not a de Polignac number, because 51050529 - 2⁷ = 51050401 is a prime.

It is a super-2 number, since 2×51050529² = 5212313022359682, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51050509) 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 11 ways as a sum of consecutive naturals, for example, 17694 + ... + 20375.

It is an arithmetic number, because the mean of its divisors is an integer number (6186375).

Almost surely, 2^51050529 is an apocalyptic number.

It is an amenable number.

51050529 is a deficient number, since it is larger than the sum of its proper divisors (23185971).

51050529 is a wasteful number, since it uses less digits than its factorization.

51050529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38224 (or 38221 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 51050529 is about 7144.9652903286. The cubic root of 51050529 is about 370.9654092126.

The spelling of 51050529 in words is "fifty-one million, fifty thousand, five hundred twenty-nine".