51161826 has 8 divisors (see below), whose sum is σ = 102323664. Its totient is φ = 17053940.

The previous prime is 51161807. The next prime is 51161837. The reversal of 51161826 is 62816115.

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

51161826 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51161793 and 51161802.

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, 4263480 + ... + 4263491.

It is an arithmetic number, because the mean of its divisors is an integer number (12790458).

Almost surely, 2^51161826 is an apocalyptic number.

51161826 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.

51161826 is a wasteful number, since it uses less digits than its factorization.

51161826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526976.

The product of its digits is 2880, while the sum is 30.

The square root of 51161826 is about 7152.7495412603. The cubic root of 51161826 is about 371.2347983210.

The spelling of 51161826 in words is "fifty-one million, one hundred sixty-one thousand, eight hundred twenty-six".