51044245 has 16 divisors (see below), whose sum is σ = 73048320. Its totient is φ = 33479424.

The previous prime is 51044233. The next prime is 51044261. The reversal of 51044245 is 54244015.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51044245 - 2²³ = 42655637 is a prime.

It is a congruent number.

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, 30900 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (4565520).

Almost surely, 2^51044245 is an apocalyptic number.

It is an amenable number.

51044245 is a deficient number, since it is larger than the sum of its proper divisors (22004075).

51044245 is a wasteful number, since it uses less digits than its factorization.

51044245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63444.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 51044245 is about 7144.5255265833. The cubic root of 51044245 is about 370.9501874162.

It can be divided in two parts, 5 and 1044245, that multiplied together give a palindrome (5221225).

The spelling of 51044245 in words is "fifty-one million, forty-four thousand, two hundred forty-five".