53343488 has 72 divisors (see below), whose sum is σ = 122394720. Its totient is φ = 22947840.

The previous prime is 53343487. The next prime is 53343491. The reversal of 53343488 is 88434335.

It is a super-2 number, since 2×53343488² = 5691055424012288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53343481) 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, 53006 + ... + 54002.

Almost surely, 2^53343488 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 53343488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61197360).

53343488 is an abundant number, since it is smaller than the sum of its proper divisors (69051232).

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

53343488 is a wasteful number, since it uses less digits than its factorization.

53343488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1029 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 53343488 is about 7303.6626428115. The cubic root of 53343488 is about 376.4382998044.

The spelling of 53343488 in words is "fifty-three million, three hundred forty-three thousand, four hundred eighty-eight".