52543470 has 64 divisors (see below), whose sum is σ = 145161216. Its totient is φ = 11923200.

The previous prime is 52543459. The next prime is 52543489. The reversal of 52543470 is 7434525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30882 + ... + 32538.

It is an arithmetic number, because the mean of its divisors is an integer number (2268144).

Almost surely, 2^52543470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52543470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72580608).

52543470 is an abundant number, since it is smaller than the sum of its proper divisors (92617746).

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

52543470 is a wasteful number, since it uses less digits than its factorization.

52543470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 52543470 is about 7248.6874673971. The cubic root of 52543470 is about 374.5469372894.

Adding to 52543470 its reverse (7434525), we get a palindrome (59977995).

The spelling of 52543470 in words is "fifty-two million, five hundred forty-three thousand, four hundred seventy".