55385502406667 has 32 divisors (see below), whose sum is σ = 58917189594240. Its totient is φ = 51952792320000.

The previous prime is 55385502406561. The next prime is 55385502406669. The reversal of 55385502406667 is 76660420558355.

It is not a de Polignac number, because 55385502406667 - 2¹⁸ = 55385502144523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55385502406669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1164001817 + ... + 1164049397.

It is an arithmetic number, because the mean of its divisors is an integer number (1841162174820).

Almost surely, 2^{55385502406667} is an apocalyptic number.

55385502406667 is a deficient number, since it is larger than the sum of its proper divisors (3531687187573).

55385502406667 is a wasteful number, since it uses less digits than its factorization.

55385502406667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50135.

The product of its (nonzero) digits is 181440000, while the sum is 62.

The spelling of 55385502406667 in words is "fifty-five trillion, three hundred eighty-five billion, five hundred two million, four hundred six thousand, six hundred sixty-seven".