53488480 has 48 divisors (see below), whose sum is σ = 127567440. Its totient is φ = 21192192.

The previous prime is 53488459. The next prime is 53488481. The reversal of 53488480 is 8488435.

It is a super-2 number, since 2×53488480² = 5722034985420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53488481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15907 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (2657655).

Almost surely, 2^53488480 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 53488480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63783720).

53488480 is an abundant number, since it is smaller than the sum of its proper divisors (74078960).

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

53488480 is a wasteful number, since it uses less digits than its factorization.

53488480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3183 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 53488480 is about 7313.5818857794. The cubic root of 53488480 is about 376.7790547061.

The spelling of 53488480 in words is "fifty-three million, four hundred eighty-eight thousand, four hundred eighty".