51959822 has 16 divisors (see below), whose sum is σ = 82153440. Its totient is φ = 24609312.

The previous prime is 51959797. The next prime is 51959827. The reversal of 51959822 is 22895915.

It is a self number, because there is not a number n which added to its sum of digits gives 51959822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51959827) 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 7 ways as a sum of consecutive naturals, for example, 5378 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (5134590).

Almost surely, 2^51959822 is an apocalyptic number.

51959822 is a deficient number, since it is larger than the sum of its proper divisors (30193618).

51959822 is a wasteful number, since it uses less digits than its factorization.

51959822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987.

The product of its digits is 64800, while the sum is 41.

The square root of 51959822 is about 7208.3161695364. The cubic root of 51959822 is about 373.1549596090.

The spelling of 51959822 in words is "fifty-one million, nine hundred fifty-nine thousand, eight hundred twenty-two".