54392516677 has 2 divisors, whose sum is σ = 54392516678. Its totient is φ = 54392516676.

The previous prime is 54392516671. The next prime is 54392516687. The reversal of 54392516677 is 77661529345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28828983681 + 25563532996 = 169791^2 + 159886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54392516677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54392516671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27196258338 + 27196258339.

It is an arithmetic number, because the mean of its divisors is an integer number (27196258339).

Almost surely, 2^54392516677 is an apocalyptic number.

It is an amenable number.

54392516677 is a deficient number, since it is larger than the sum of its proper divisors (1).

54392516677 is an equidigital number, since it uses as much as digits as its factorization.

54392516677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 55.

The spelling of 54392516677 in words is "fifty-four billion, three hundred ninety-two million, five hundred sixteen thousand, six hundred seventy-seven".