53480244 has 48 divisors (see below), whose sum is σ = 133757568. Its totient is φ = 16587648.

The previous prime is 53480243. The next prime is 53480291. The reversal of 53480244 is 44208435.

53480244 = 445² + 446² + ... + 628².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53480243) 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, 7594 + ... + 12830.

It is an arithmetic number, because the mean of its divisors is an integer number (2786616).

Almost surely, 2^53480244 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 53480244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66878784).

53480244 is an abundant number, since it is smaller than the sum of its proper divisors (80277324).

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

53480244 is a wasteful number, since it uses less digits than its factorization.

53480244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 53480244 is about 7313.0188021090. The cubic root of 53480244 is about 376.7597152671.

Adding to 53480244 its reverse (44208435), we get a palindrome (97688679).

The spelling of 53480244 in words is "fifty-three million, four hundred eighty thousand, two hundred forty-four".