53272434787487 has 4 divisors (see below), whose sum is σ = 53281120988760. Its totient is φ = 53263748586216.

The previous prime is 53272434787483. The next prime is 53272434787493. The reversal of 53272434787487 is 78478743427235.

53272434787487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53272434787487 - 2² = 53272434787483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53272434787487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53272434787483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343091437 + ... + 4343103702.

It is an arithmetic number, because the mean of its divisors is an integer number (13320280247190).

Almost surely, 2^{53272434787487} is an apocalyptic number.

53272434787487 is a deficient number, since it is larger than the sum of its proper divisors (8686201273).

53272434787487 is an equidigital number, since it uses as much as digits as its factorization.

53272434787487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686201272.

The product of its digits is 1770209280, while the sum is 71.

The spelling of 53272434787487 in words is "fifty-three trillion, two hundred seventy-two billion, four hundred thirty-four million, seven hundred eighty-seven thousand, four hundred eighty-seven".