53724356 has 48 divisors (see below), whose sum is σ = 112358400. Its totient is φ = 21990528.

The previous prime is 53724353. The next prime is 53724361. The reversal of 53724356 is 65342735.

It is a super-2 number, since 2×53724356² = 5772612855229472, which contains 22 as substring.

Its product of digits (75600) is a multiple of the sum of its prime factors (756).

It is not an unprimeable number, because it can be changed into a prime (53724353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88205 + ... + 88811.

It is an arithmetic number, because the mean of its divisors is an integer number (2340800).

Almost surely, 2^53724356 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 53724356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56179200).

53724356 is an abundant number, since it is smaller than the sum of its proper divisors (58634044).

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

53724356 is a wasteful number, since it uses less digits than its factorization.

53724356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 754 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 53724356 is about 7329.6900343739. The cubic root of 53724356 is about 377.3320885335.

It can be divided in two parts, 5372 and 4356, that multiplied together give a palindrome (23400432).

The spelling of 53724356 in words is "fifty-three million, seven hundred twenty-four thousand, three hundred fifty-six".