55575340367123 has 2 divisors, whose sum is σ = 55575340367124. Its totient is φ = 55575340367122.

The previous prime is 55575340367087. The next prime is 55575340367161. The reversal of 55575340367123 is 32176304357555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55575340367123 - 2⁸ = 55575340366867 is a prime.

It is not a weakly prime, because it can be changed into another prime (55575340364123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27787670183561 + 27787670183562.

It is an arithmetic number, because the mean of its divisors is an integer number (27787670183562).

Almost surely, 2^{55575340367123} is an apocalyptic number.

55575340367123 is a deficient number, since it is larger than the sum of its proper divisors (1).

55575340367123 is an equidigital number, since it uses as much as digits as its factorization.

55575340367123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690000, while the sum is 56.

The spelling of 55575340367123 in words is "fifty-five trillion, five hundred seventy-five billion, three hundred forty million, three hundred sixty-seven thousand, one hundred twenty-three".