53043480 has 288 divisors, whose sum is σ = 209139840. Its totient is φ = 11612160.

The previous prime is 53043457. The next prime is 53043481. The reversal of 53043480 is 8434035.

It is a happy number.

It is a super-2 number, since 2×53043480² = 5627221541020800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53043481) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 546792 + ... + 546888.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 2^53043480 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 53043480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104569920).

53043480 is an abundant number, since it is smaller than the sum of its proper divisors (156096360).

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

53043480 is a wasteful number, since it uses less digits than its factorization.

53043480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 53043480 is about 7283.0954957353. The cubic root of 53043480 is about 375.7312664049.

The spelling of 53043480 in words is "fifty-three million, forty-three thousand, four hundred eighty".