55555105560603 has 16 divisors (see below), whose sum is σ = 82013507262336. Its totient is φ = 33167227199040.

The previous prime is 55555105560601. The next prime is 55555105560637. The reversal of 55555105560603 is 30606550155555.

It is not a de Polignac number, because 55555105560603 - 2¹ = 55555105560601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55555105560601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12563341426 + ... + 12563345847.

It is an arithmetic number, because the mean of its divisors is an integer number (5125844203896).

Almost surely, 2^{55555105560603} is an apocalyptic number.

55555105560603 is a deficient number, since it is larger than the sum of its proper divisors (26458401701733).

55555105560603 is a wasteful number, since it uses less digits than its factorization.

55555105560603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25126687354.

The product of its (nonzero) digits is 8437500, while the sum is 51.

The spelling of 55555105560603 in words is "fifty-five trillion, five hundred fifty-five billion, one hundred five million, five hundred sixty thousand, six hundred three".