52438722 has 48 divisors (see below), whose sum is σ = 122824512. Its totient is φ = 14881440.

The previous prime is 52438709. The next prime is 52438733. The reversal of 52438722 is 22783425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50347 + ... + 51377.

It is an arithmetic number, because the mean of its divisors is an integer number (2558844).

Almost surely, 2^52438722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52438722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61412256).

52438722 is an abundant number, since it is smaller than the sum of its proper divisors (70385790).

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

52438722 is a wasteful number, since it uses less digits than its factorization.

52438722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1216 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 52438722 is about 7241.4585547388. The cubic root of 52438722 is about 374.2978791127.

The spelling of 52438722 in words is "fifty-two million, four hundred thirty-eight thousand, seven hundred twenty-two".