54542121110766 has 40 divisors (see below), whose sum is σ = 122482181368800. Its totient is φ = 18140924283552.

The previous prime is 54542121110761. The next prime is 54542121110779. The reversal of 54542121110766 is 66701112124545.

54542121110766 is a `hidden beast` number, since 5 + 4 + 5 + 421 + 211 + 1 + 0 + 7 + 6 + 6 = 666.

It is a super-2 number, since 2×54542121110766² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54542121110761) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 368284566 + ... + 368432633.

It is an arithmetic number, because the mean of its divisors is an integer number (3062054534220).

Almost surely, 2^{54542121110766} is an apocalyptic number.

54542121110766 is an abundant number, since it is smaller than the sum of its proper divisors (67940060258034).

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

54542121110766 is a wasteful number, since it uses less digits than its factorization.

54542121110766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736717670 (or 736717661 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 54542121110766 in words is "fifty-four trillion, five hundred forty-two billion, one hundred twenty-one million, one hundred ten thousand, seven hundred sixty-six".