53722344 has 64 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 16436736.

The previous prime is 53722343. The next prime is 53722387. The reversal of 53722344 is 44322735.

It is not an unprimeable number, because it can be changed into a prime (53722343) 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, 72327 + ... + 73065.

It is an arithmetic number, because the mean of its divisors is an integer number (2272725).

Almost surely, 2^53722344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53722344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72727200).

53722344 is an abundant number, since it is smaller than the sum of its proper divisors (91732056).

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

53722344 is a wasteful number, since it uses less digits than its factorization.

53722344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its digits is 20160, while the sum is 30.

The square root of 53722344 is about 7329.5527830830. The cubic root of 53722344 is about 377.3273780589.

The spelling of 53722344 in words is "fifty-three million, seven hundred twenty-two thousand, three hundred forty-four".