555504405555 has 16 divisors (see below), whose sum is σ = 969607689984. Its totient is φ = 269335469280.

The previous prime is 555504405553. The next prime is 555504405587.

555504405555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555504405555 - 2¹ = 555504405553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555504405551) 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, 1683346519 + ... + 1683346848.

It is an arithmetic number, because the mean of its divisors is an integer number (60600480624).

Almost surely, 2^555504405555 is an apocalyptic number.

555504405555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555504405555 is a deficient number, since it is larger than the sum of its proper divisors (414103284429).

555504405555 is a wasteful number, since it uses less digits than its factorization.

555504405555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366693386.

The product of its (nonzero) digits is 6250000, while the sum is 48.

The spelling of 555504405555 in words is "five hundred fifty-five billion, five hundred four million, four hundred five thousand, five hundred fifty-five".