51065050 has 12 divisors (see below), whose sum is σ = 94981086. Its totient is φ = 20426000.

The previous prime is 51065041. The next prime is 51065051. The reversal of 51065050 is 5056015.

It can be written as a sum of positive squares in 3 ways, for example, as 44475561 + 6589489 = 6669^2 + 2567^2 .

It is not an unprimeable number, because it can be changed into a prime (51065051) 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, 510601 + ... + 510700.

Almost surely, 2^51065050 is an apocalyptic number.

51065050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51065050 is a deficient number, since it is larger than the sum of its proper divisors (43916036).

51065050 is a wasteful number, since it uses less digits than its factorization.

51065050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021313 (or 1021308 counting only the distinct ones).

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

The square root of 51065050 is about 7145.9813881650. The cubic root of 51065050 is about 371.0005787995. Note that the first 3 decimals are identical.

The spelling of 51065050 in words is "fifty-one million, sixty-five thousand, fifty".