53423020 has 96 divisors (see below), whose sum is σ = 137023488. Its totient is φ = 17098752.

The previous prime is 53423011. The next prime is 53423023. The reversal of 53423020 is 2032435.

It is not an unprimeable number, because it can be changed into a prime (53423023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151164 + ... + 151516.

It is an arithmetic number, because the mean of its divisors is an integer number (1427328).

Almost surely, 2^53423020 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 53423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68511744).

53423020 is an abundant number, since it is smaller than the sum of its proper divisors (83600468).

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

53423020 is a wasteful number, since it uses less digits than its factorization.

53423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 53423020 is about 7309.1052804020. The cubic root of 53423020 is about 376.6252893524.

Adding to 53423020 its reverse (2032435), we get a palindrome (55455455).

The spelling of 53423020 in words is "fifty-three million, four hundred twenty-three thousand, twenty".