51494826 has 16 divisors (see below), whose sum is σ = 108410400. Its totient is φ = 16261488.

The previous prime is 51494803. The next prime is 51494827. The reversal of 51494826 is 62849415.

It is not an unprimeable number, because it can be changed into a prime (51494827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225741 + ... + 225968.

It is an arithmetic number, because the mean of its divisors is an integer number (6775650).

Almost surely, 2^51494826 is an apocalyptic number.

51494826 is an abundant number, since it is smaller than the sum of its proper divisors (56915574).

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

51494826 is a wasteful number, since it uses less digits than its factorization.

51494826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451733.

The product of its digits is 69120, while the sum is 39.

The square root of 51494826 is about 7175.9895484874. The cubic root of 51494826 is about 372.0384831271.

The spelling of 51494826 in words is "fifty-one million, four hundred ninety-four thousand, eight hundred twenty-six".