54549618765 has 16 divisors (see below), whose sum is σ = 91074146688. Its totient is φ = 27828211136.

The previous prime is 54549618763. The next prime is 54549618769. The reversal of 54549618765 is 56781694545.

It is a cyclic number.

It is not a de Polignac number, because 54549618765 - 2¹ = 54549618763 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 54549618699 and 54549618708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54549618763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79057074 + ... + 79057763.

It is an arithmetic number, because the mean of its divisors is an integer number (5692134168).

Almost surely, 2^54549618765 is an apocalyptic number.

It is an amenable number.

54549618765 is a deficient number, since it is larger than the sum of its proper divisors (36524527923).

54549618765 is a wasteful number, since it uses less digits than its factorization.

54549618765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158114868.

The product of its digits is 36288000, while the sum is 60.

The spelling of 54549618765 in words is "fifty-four billion, five hundred forty-nine million, six hundred eighteen thousand, seven hundred sixty-five".