54756563497 has 2 divisors, whose sum is σ = 54756563498. Its totient is φ = 54756563496.

The previous prime is 54756563489. The next prime is 54756563509. The reversal of 54756563497 is 79436565745.

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., 30675420736 + 24081142761 = 175144^2 + 155181^2 .

It is a cyclic number.

It is not a de Polignac number, because 54756563497 - 2³ = 54756563489 is a prime.

It is not a weakly prime, because it can be changed into another prime (54756564497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27378281748 + 27378281749.

It is an arithmetic number, because the mean of its divisors is an integer number (27378281749).

Almost surely, 2^54756563497 is an apocalyptic number.

It is an amenable number.

54756563497 is a deficient number, since it is larger than the sum of its proper divisors (1).

54756563497 is an equidigital number, since it uses as much as digits as its factorization.

54756563497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256000, while the sum is 61.

The spelling of 54756563497 in words is "fifty-four billion, seven hundred fifty-six million, five hundred sixty-three thousand, four hundred ninety-seven".