53831424 has 72 divisors (see below), whose sum is σ = 148271760. Its totient is φ = 17317888.

The previous prime is 53831413. The next prime is 53831489. The reversal of 53831424 is 42413835.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53831391 and 53831400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21064 + ... + 23480.

It is an arithmetic number, because the mean of its divisors is an integer number (2059330).

Almost surely, 2^53831424 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 53831424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74135880).

53831424 is an abundant number, since it is smaller than the sum of its proper divisors (94440336).

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

53831424 is a wasteful number, since it uses less digits than its factorization.

53831424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2451 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 53831424 is about 7336.9901185704. The cubic root of 53831424 is about 377.5825856184.

The spelling of 53831424 in words is "fifty-three million, eight hundred thirty-one thousand, four hundred twenty-four".