53747001643566 has 32 divisors (see below), whose sum is σ = 134018497605888. Its totient is φ = 13960260167040.

The previous prime is 53747001643561. The next prime is 53747001643567. The reversal of 53747001643566 is 66534610074735.

53747001643566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53747001643561) 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 15 ways as a sum of consecutive naturals, for example, 58167750235 + ... + 58167751158.

It is an arithmetic number, because the mean of its divisors is an integer number (4188078050184).

Almost surely, 2^{53747001643566} is an apocalyptic number.

53747001643566 is an abundant number, since it is smaller than the sum of its proper divisors (80271495962322).

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

53747001643566 is a wasteful number, since it uses less digits than its factorization.

53747001643566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116335501416.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 53747001643566 in words is "fifty-three trillion, seven hundred forty-seven billion, one million, six hundred forty-three thousand, five hundred sixty-six".