53724120 has 32 divisors (see below), whose sum is σ = 161172720. Its totient is φ = 14326400.

The previous prime is 53724107. The next prime is 53724127. The reversal of 53724120 is 2142735.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53724127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223731 + ... + 223970.

Almost surely, 2^53724120 is an apocalyptic number.

It is an amenable number.

53724120 is an abundant number, since it is smaller than the sum of its proper divisors (107448600).

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

53724120 is a wasteful number, since it uses less digits than its factorization.

53724120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447715 (or 447711 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 53724120 is about 7329.6739354490. The cubic root of 53724120 is about 377.3315360187.

Adding to 53724120 its reverse (2142735), we get a palindrome (55866855).

The spelling of 53724120 in words is "fifty-three million, seven hundred twenty-four thousand, one hundred twenty".