51712626 has 32 divisors (see below), whose sum is σ = 122279040. Its totient is φ = 14265216.

The previous prime is 51712601. The next prime is 51712627. The reversal of 51712626 is 62621715.

It is a junction number, because it is equal to n+sod(n) for n = 51712593 and 51712602.

It is not an unprimeable number, because it can be changed into a prime (51712627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20011 + ... + 22446.

It is an arithmetic number, because the mean of its divisors is an integer number (3821220).

Almost surely, 2^51712626 is an apocalyptic number.

51712626 is an abundant number, since it is smaller than the sum of its proper divisors (70566414).

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

51712626 is a wasteful number, since it uses less digits than its factorization.

51712626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42498.

The product of its digits is 5040, while the sum is 30.

The square root of 51712626 is about 7191.1491432177. The cubic root of 51712626 is about 372.5622639639.

The spelling of 51712626 in words is "fifty-one million, seven hundred twelve thousand, six hundred twenty-six".