51240226 has 8 divisors (see below), whose sum is σ = 80905680. Its totient is φ = 24271668.

The previous prime is 51240221. The next prime is 51240253. The reversal of 51240226 is 62204215.

51240226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51240197 and 51240206.

It is not an unprimeable number, because it can be changed into a prime (51240221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674176 + ... + 674251.

It is an arithmetic number, because the mean of its divisors is an integer number (10113210).

Almost surely, 2^51240226 is an apocalyptic number.

51240226 is a deficient number, since it is larger than the sum of its proper divisors (29665454).

51240226 is a wasteful number, since it uses less digits than its factorization.

51240226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348448.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 51240226 is about 7158.2278533168. The cubic root of 51240226 is about 371.4243273536.

The spelling of 51240226 in words is "fifty-one million, two hundred forty thousand, two hundred twenty-six".