53444352 has 144 divisors (see below), whose sum is σ = 157616928. Its totient is φ = 15974400.

The previous prime is 53444351. The next prime is 53444353. The reversal of 53444352 is 25344435.

It is an interprime number because it is at equal distance from previous prime (53444351) and next prime (53444353).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53444351) 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, 529102 + ... + 529202.

It is an arithmetic number, because the mean of its divisors is an integer number (1094562).

Almost surely, 2^53444352 is an apocalyptic number.

53444352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53444352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78808464).

53444352 is an abundant number, since it is smaller than the sum of its proper divisors (104172576).

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

53444352 is a wasteful number, since it uses less digits than its factorization.

53444352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 53444352 is about 7310.5644104953. The cubic root of 53444352 is about 376.6754119497.

Adding to 53444352 its reverse (25344435), we get a palindrome (78788787).

The spelling of 53444352 in words is "fifty-three million, four hundred forty-four thousand, three hundred fifty-two".