55707077693 has 2 divisors, whose sum is σ = 55707077694. Its totient is φ = 55707077692.

The previous prime is 55707077659. The next prime is 55707077737. The reversal of 55707077693 is 39677070755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49924539844 + 5782537849 = 223438^2 + 76043^2 .

It is a cyclic number.

It is not a de Polignac number, because 55707077693 - 2²² = 55702883389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55707077603) 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, 27853538846 + 27853538847.

It is an arithmetic number, because the mean of its divisors is an integer number (27853538847).

Almost surely, 2^55707077693 is an apocalyptic number.

It is an amenable number.

55707077693 is a deficient number, since it is larger than the sum of its proper divisors (1).

55707077693 is an equidigital number, since it uses as much as digits as its factorization.

55707077693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9724050, while the sum is 56.

The spelling of 55707077693 in words is "fifty-five billion, seven hundred seven million, seventy-seven thousand, six hundred ninety-three".