51856626 has 16 divisors (see below), whose sum is σ = 104207328. Its totient is φ = 17203200.

The previous prime is 51856621. The next prime is 51856633. The reversal of 51856626 is 62665815.

51856626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51856621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19215 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (6512958).

Almost surely, 2^51856626 is an apocalyptic number.

51856626 is an abundant number, since it is smaller than the sum of its proper divisors (52350702).

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

51856626 is a wasteful number, since it uses less digits than its factorization.

51856626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41177.

The product of its digits is 86400, while the sum is 39.

The square root of 51856626 is about 7201.1544907744. The cubic root of 51856626 is about 372.9077582189.

It can be divided in two parts, 5185 and 6626, that added together give a palindrome (11811).

The spelling of 51856626 in words is "fifty-one million, eight hundred fifty-six thousand, six hundred twenty-six".