55000505005555 has 16 divisors (see below), whose sum is σ = 69624374699520. Its totient is φ = 41594561715168.

The previous prime is 55000505005543. The next prime is 55000505005561. The reversal of 55000505005555 is 55550050500055.

It is a cyclic number.

It is not a de Polignac number, because 55000505005555 - 2³¹ = 54998357521907 is a prime.

It is a super-2 number, since 2×55000505005555² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625174897 + ... + 625262866.

It is an arithmetic number, because the mean of its divisors is an integer number (4351523418720).

Almost surely, 2^{55000505005555} is an apocalyptic number.

55000505005555 is a deficient number, since it is larger than the sum of its proper divisors (14623869693965).

55000505005555 is a wasteful number, since it uses less digits than its factorization.

55000505005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250438250.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55000505005555 in words is "fifty-five trillion, five hundred five million, five thousand, five hundred fifty-five".