51161226 has 8 divisors (see below), whose sum is σ = 102322464. Its totient is φ = 17053740.

The previous prime is 51161219. The next prime is 51161237. The reversal of 51161226 is 62216115.

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

51161226 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51161196 and 51161205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263430 + ... + 4263441.

It is an arithmetic number, because the mean of its divisors is an integer number (12790308).

Almost surely, 2^51161226 is an apocalyptic number.

51161226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51161226 is a wasteful number, since it uses less digits than its factorization.

51161226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526876.

The product of its digits is 720, while the sum is 24.

The square root of 51161226 is about 7152.7075992242. The cubic root of 51161226 is about 371.2333470973.

The spelling of 51161226 in words is "fifty-one million, one hundred sixty-one thousand, two hundred twenty-six".