55764195324637 has 2 divisors, whose sum is σ = 55764195324638. Its totient is φ = 55764195324636.

The previous prime is 55764195324533. The next prime is 55764195324667. The reversal of 55764195324637 is 73642359146755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55428709942116 + 335485382521 = 7445046^2 + 579211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55764195324637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55764195324667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27882097662318 + 27882097662319.

It is an arithmetic number, because the mean of its divisors is an integer number (27882097662319).

Almost surely, 2^{55764195324637} is an apocalyptic number.

It is an amenable number.

55764195324637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55764195324637 is an equidigital number, since it uses as much as digits as its factorization.

55764195324637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536000, while the sum is 67.

The spelling of 55764195324637 in words is "fifty-five trillion, seven hundred sixty-four billion, one hundred ninety-five million, three hundred twenty-four thousand, six hundred thirty-seven".