55276671497 has 2 divisors, whose sum is σ = 55276671498. Its totient is φ = 55276671496.

The previous prime is 55276671493. The next prime is 55276671503. The reversal of 55276671497 is 79417667255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35697945721 + 19578725776 = 188939^2 + 139924^2 .

It is a cyclic number.

It is not a de Polignac number, because 55276671497 - 2² = 55276671493 is a prime.

It is not a weakly prime, because it can be changed into another prime (55276671491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27638335748 + 27638335749.

It is an arithmetic number, because the mean of its divisors is an integer number (27638335749).

Almost surely, 2^55276671497 is an apocalyptic number.

It is an amenable number.

55276671497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55276671497 is an equidigital number, since it uses as much as digits as its factorization.

55276671497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22226400, while the sum is 59.

The spelling of 55276671497 in words is "fifty-five billion, two hundred seventy-six million, six hundred seventy-one thousand, four hundred ninety-seven".