53287724 has 24 divisors (see below), whose sum is σ = 112845600. Its totient is φ = 21494016.

The previous prime is 53287721. The next prime is 53287727. The reversal of 53287724 is 42778235.

53287724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53287721) and next prime (53287727).

It is not an unprimeable number, because it can be changed into a prime (53287721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55499 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (4701900).

Almost surely, 2^53287724 is an apocalyptic number.

It is an amenable number.

53287724 is an abundant number, since it is smaller than the sum of its proper divisors (59557876).

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

53287724 is a wasteful number, since it uses less digits than its factorization.

53287724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111977 (or 111975 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 53287724 is about 7299.8441079245. The cubic root of 53287724 is about 376.3070808863.

The spelling of 53287724 in words is "fifty-three million, two hundred eighty-seven thousand, seven hundred twenty-four".