53240487 has 8 divisors (see below), whose sum is σ = 71719536. Its totient is φ = 35127552.

The previous prime is 53240483. The next prime is 53240501. The reversal of 53240487 is 78404235.

53240487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53240487 - 2² = 53240483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240483) 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, 91188 + ... + 91769.

It is an arithmetic number, because the mean of its divisors is an integer number (8964942).

Almost surely, 2^53240487 is an apocalyptic number.

53240487 is a deficient number, since it is larger than the sum of its proper divisors (18479049).

53240487 is a wasteful number, since it uses less digits than its factorization.

53240487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183057.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 53240487 is about 7296.6079105294. The cubic root of 53240487 is about 376.1958553154.

The spelling of 53240487 in words is "fifty-three million, two hundred forty thousand, four hundred eighty-seven".