51126205 has 16 divisors (see below), whose sum is σ = 66697344. Its totient is φ = 37396800.

The previous prime is 51126203. The next prime is 51126209. The reversal of 51126205 is 50262115.

It is not a de Polignac number, because 51126205 - 2¹ = 51126203 is a prime.

It is a super-2 number, since 2×51126205² = 5227777675404050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51126203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3280 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (4168584).

Almost surely, 2^51126205 is an apocalyptic number.

It is an amenable number.

51126205 is a deficient number, since it is larger than the sum of its proper divisors (15571139).

51126205 is a wasteful number, since it uses less digits than its factorization.

51126205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51126205 is about 7150.2590862150. The cubic root of 51126205 is about 371.1486219277.

The spelling of 51126205 in words is "fifty-one million, one hundred twenty-six thousand, two hundred five".