55577869258768 has 10 divisors (see below), whose sum is σ = 107682121688894. Its totient is φ = 27788934629376.

The previous prime is 55577869258763. The next prime is 55577869258777. The reversal of 55577869258768 is 86785296877555.

It can be written as a sum of positive squares in only one way, i.e., 55566707758864 + 11161499904 = 7454308^2 + 105648^2 .

It is not an unprimeable number, because it can be changed into a prime (55577869258763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736808414321 + ... + 1736808414352.

Almost surely, 2^{55577869258768} is an apocalyptic number.

It is an amenable number.

55577869258768 is a deficient number, since it is larger than the sum of its proper divisors (52104252430126).

55577869258768 is a wasteful number, since it uses less digits than its factorization.

55577869258768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473616828681 (or 3473616828675 counting only the distinct ones).

The product of its digits is 71124480000, while the sum is 88.

The spelling of 55577869258768 in words is "fifty-five trillion, five hundred seventy-seven billion, eight hundred sixty-nine million, two hundred fifty-eight thousand, seven hundred sixty-eight".