55500000000505 has 16 divisors (see below), whose sum is σ = 66779338000320. Its totient is φ = 44280444138048.

The previous prime is 55500000000469. The next prime is 55500000000539. The reversal of 55500000000505 is 50500000000555.

It is a cyclic number.

It is not a de Polignac number, because 55500000000505 - 2³¹ = 55497852516857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55500000000505.

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, 270730974 + ... + 270935896.

It is an arithmetic number, because the mean of its divisors is an integer number (4173708625020).

Almost surely, 2^{55500000000505} is an apocalyptic number.

It is an amenable number.

55500000000505 is a deficient number, since it is larger than the sum of its proper divisors (11279337999815).

55500000000505 is a wasteful number, since it uses less digits than its factorization.

55500000000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350520.

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 55500000000505 in words is "fifty-five trillion, five hundred billion, five hundred five", and thus it is an aban number.