51946422 has 16 divisors (see below), whose sum is σ = 113337792. Its totient is φ = 15741320.

The previous prime is 51946417. The next prime is 51946423. The reversal of 51946422 is 22464915.

51946422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51946423) 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, 393468 + ... + 393599.

It is an arithmetic number, because the mean of its divisors is an integer number (7083612).

Almost surely, 2^51946422 is an apocalyptic number.

51946422 is an abundant number, since it is smaller than the sum of its proper divisors (61391370).

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

51946422 is a wasteful number, since it uses less digits than its factorization.

51946422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787083.

The product of its digits is 17280, while the sum is 33.

The square root of 51946422 is about 7207.3866276203. The cubic root of 51946422 is about 373.1228790118.

The spelling of 51946422 in words is "fifty-one million, nine hundred forty-six thousand, four hundred twenty-two".