54869649677 has 4 divisors (see below), whose sum is σ = 55904926140. Its totient is φ = 53834373216.

The previous prime is 54869649661. The next prime is 54869649691. The reversal of 54869649677 is 77694696845.

54869649677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29896484836 + 24973164841 = 172906^2 + 158029^2 .

It is a cyclic number.

It is not a de Polignac number, because 54869649677 - 2⁴ = 54869649661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54869649677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54869649277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517638152 + ... + 517638257.

It is an arithmetic number, because the mean of its divisors is an integer number (13976231535).

Almost surely, 2^54869649677 is an apocalyptic number.

It is an amenable number.

54869649677 is a deficient number, since it is larger than the sum of its proper divisors (1035276463).

54869649677 is a wasteful number, since it uses less digits than its factorization.

54869649677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035276462.

The product of its digits is 548674560, while the sum is 71.

The spelling of 54869649677 in words is "fifty-four billion, eight hundred sixty-nine million, six hundred forty-nine thousand, six hundred seventy-seven".