51650105 has 16 divisors (see below), whose sum is σ = 67208400. Its totient is φ = 37878528.

The previous prime is 51650089. The next prime is 51650129. The reversal of 51650105 is 50105615.

It can be written as a sum of positive squares in 8 ways, for example, as 727609 + 50922496 = 853^2 + 7136^2 .

It is a cyclic number.

It is not a de Polignac number, because 51650105 - 2⁴ = 51650089 is a prime.

It is a super-2 number, since 2×51650105² = 5335466693022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7019 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (4200525).

Almost surely, 2^51650105 is an apocalyptic number.

It is an amenable number.

51650105 is a deficient number, since it is larger than the sum of its proper divisors (15558295).

51650105 is a wasteful number, since it uses less digits than its factorization.

51650105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 51650105 is about 7186.8007485946. The cubic root of 51650105 is about 372.4120597775.

The spelling of 51650105 in words is "fifty-one million, six hundred fifty thousand, one hundred five".