51956634 has 16 divisors (see below), whose sum is σ = 104207040. Its totient is φ = 17269920.

The previous prime is 51956633. The next prime is 51956647. The reversal of 51956634 is 43665915.

51956634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51956592 and 51956601.

It is not an unprimeable number, because it can be changed into a prime (51956633) 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, 9907 + ... + 14214.

It is an arithmetic number, because the mean of its divisors is an integer number (6512940).

Almost surely, 2^51956634 is an apocalyptic number.

51956634 is an abundant number, since it is smaller than the sum of its proper divisors (52250406).

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

51956634 is a wasteful number, since it uses less digits than its factorization.

51956634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24485.

The product of its digits is 97200, while the sum is 39.

The square root of 51956634 is about 7208.0950326699. The cubic root of 51956634 is about 373.1473277998.

The spelling of 51956634 in words is "fifty-one million, nine hundred fifty-six thousand, six hundred thirty-four".