54661730663 has 32 divisors (see below), whose sum is σ = 57445536960. Its totient is φ = 51969392640.

The previous prime is 54661730647. The next prime is 54661730671. The reversal of 54661730663 is 36603716645.

It is a cyclic number.

It is not a de Polignac number, because 54661730663 - 2⁴ = 54661730647 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 (54661730633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137686781 + ... + 137687177.

It is an arithmetic number, because the mean of its divisors is an integer number (1795173030).

Almost surely, 2^54661730663 is an apocalyptic number.

54661730663 is a deficient number, since it is larger than the sum of its proper divisors (2783806297).

54661730663 is a wasteful number, since it uses less digits than its factorization.

54661730663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 54661730663 in words is "fifty-four billion, six hundred sixty-one million, seven hundred thirty thousand, six hundred sixty-three".