53724775 has 24 divisors (see below), whose sum is σ = 73120320. Its totient is φ = 38912640.

The previous prime is 53724739. The next prime is 53724779. The reversal of 53724775 is 57742735.

It is a happy number.

It is not a de Polignac number, because 53724775 - 2¹⁵ = 53692007 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53724779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15666 + ... + 18784.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^53724775 is an apocalyptic number.

53724775 is a deficient number, since it is larger than the sum of its proper divisors (19395545).

53724775 is a wasteful number, since it uses less digits than its factorization.

53724775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195 (or 3190 counting only the distinct ones).

The product of its digits is 205800, while the sum is 40.

The square root of 53724775 is about 7329.7186167001. The cubic root of 53724775 is about 377.3330694774. Note that the first 3 decimals are identical.

The spelling of 53724775 in words is "fifty-three million, seven hundred twenty-four thousand, seven hundred seventy-five".