55664499337 has 2 divisors, whose sum is σ = 55664499338. Its totient is φ = 55664499336.

The previous prime is 55664499313. The next prime is 55664499427. The reversal of 55664499337 is 73399446655.

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., 50324397561 + 5340101776 = 224331^2 + 73076^2 .

It is a cyclic number.

It is not a de Polignac number, because 55664499337 - 2¹⁵ = 55664466569 is a prime.

It is not a weakly prime, because it can be changed into another prime (55664490337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27832249668 + 27832249669.

It is an arithmetic number, because the mean of its divisors is an integer number (27832249669).

Almost surely, 2^55664499337 is an apocalyptic number.

It is an amenable number.

55664499337 is a deficient number, since it is larger than the sum of its proper divisors (1).

55664499337 is an equidigital number, since it uses as much as digits as its factorization.

55664499337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 61.

The spelling of 55664499337 in words is "fifty-five billion, six hundred sixty-four million, four hundred ninety-nine thousand, three hundred thirty-seven".