55000000555 has 16 divisors (see below), whose sum is σ = 66756110400. Its totient is φ = 43496957952.

The previous prime is 55000000513. The next prime is 55000000571. The reversal of 55000000555 is 55500000055.

It is a cyclic number.

It is not a de Polignac number, because 55000000555 - 2¹¹ = 54999998507 is a prime.

It is a super-2 number, since 2×55000000555² (a number of 22 digits) contains 22 as substring.

55000000555 is a modest number, since divided by 555 gives 55 as remainder.

It is a zygodrome in base 10.

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, 366271 + ... + 494119.

It is an arithmetic number, because the mean of its divisors is an integer number (4172256900).

Almost surely, 2^55000000555 is an apocalyptic number.

55000000555 is a deficient number, since it is larger than the sum of its proper divisors (11756109845).

55000000555 is a wasteful number, since it uses less digits than its factorization.

55000000555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128838.

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

The spelling of 55000000555 in words is "fifty-five billion, five hundred fifty-five", and thus it is an aban number.