53143488 has 84 divisors (see below), whose sum is σ = 153344880. Its totient is φ = 17596416.

The previous prime is 53143481. The next prime is 53143499. The reversal of 53143488 is 88434135.

53143488 is a `hidden beast` number, since 531 + 43 + 4 + 88 = 666.

53143488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53143488² = 5648460633612288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53143481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147853 + ... + 148211.

Almost surely, 2^53143488 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 53143488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76672440).

53143488 is an abundant number, since it is smaller than the sum of its proper divisors (100201392).

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

53143488 is a wasteful number, since it uses less digits than its factorization.

53143488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 621 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 53143488 is about 7289.9580245705. The cubic root of 53143488 is about 375.9672523162.

The spelling of 53143488 in words is "fifty-three million, one hundred forty-three thousand, four hundred eighty-eight".