53660523247 has 4 divisors (see below), whose sum is σ = 53669155176. Its totient is φ = 53651891320.

The previous prime is 53660523223. The next prime is 53660523277. The reversal of 53660523247 is 74232506635.

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 53660523247 - 2²³ = 53652134639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53660523277) 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, 4306633 + ... + 4319074.

It is an arithmetic number, because the mean of its divisors is an integer number (13417288794).

Almost surely, 2^53660523247 is an apocalyptic number.

53660523247 is a deficient number, since it is larger than the sum of its proper divisors (8631929).

53660523247 is an equidigital number, since it uses as much as digits as its factorization.

53660523247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631928.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 53660523247 in words is "fifty-three billion, six hundred sixty million, five hundred twenty-three thousand, two hundred forty-seven".