51922338 has 32 divisors (see below), whose sum is σ = 112660800. Its totient is φ = 15857856.

The previous prime is 51922331. The next prime is 51922361. The reversal of 51922338 is 83322915.

It is a junction number, because it is equal to n+sod(n) for n = 51922299 and 51922308.

It is not an unprimeable number, because it can be changed into a prime (51922331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8448 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (3520650).

Almost surely, 2^51922338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51922338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56330400).

51922338 is an abundant number, since it is smaller than the sum of its proper divisors (60738462).

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

51922338 is a wasteful number, since it uses less digits than its factorization.

51922338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946.

The product of its digits is 12960, while the sum is 33.

The square root of 51922338 is about 7205.7156480117. The cubic root of 51922338 is about 373.0652062520.

The spelling of 51922338 in words is "fifty-one million, nine hundred twenty-two thousand, three hundred thirty-eight".