51225860226 has 32 divisors (see below), whose sum is σ = 104603627520. Its totient is φ = 16719688656.

The previous prime is 51225860171. The next prime is 51225860239. The reversal of 51225860226 is 62206852215.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314386 + ... + 448653.

It is an arithmetic number, because the mean of its divisors is an integer number (3268863360).

Almost surely, 2^51225860226 is an apocalyptic number.

51225860226 is an abundant number, since it is smaller than the sum of its proper divisors (53377767294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51225860226 is a wasteful number, since it uses less digits than its factorization.

51225860226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763278.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 51225860226 in words is "fifty-one billion, two hundred twenty-five million, eight hundred sixty thousand, two hundred twenty-six".