51011226 has 24 divisors (see below), whose sum is σ = 126313824. Its totient is φ = 14574600.

The previous prime is 51011209. The next prime is 51011239. The reversal of 51011226 is 62211015.

51011226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 51011199 and 51011208.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 202300 + ... + 202551.

It is an arithmetic number, because the mean of its divisors is an integer number (5263076).

Almost surely, 2^51011226 is an apocalyptic number.

51011226 is an abundant number, since it is smaller than the sum of its proper divisors (75302598).

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

51011226 is a wasteful number, since it uses less digits than its factorization.

51011226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404866 (or 404863 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 51011226 is about 7142.2143625069. The cubic root of 51011226 is about 370.8701846249.

The spelling of 51011226 in words is "fifty-one million, eleven thousand, two hundred twenty-six".