55000055505 has 16 divisors (see below), whose sum is σ = 88871379264. Its totient is φ = 29042932800.

The previous prime is 55000055449. The next prime is 55000055521. The reversal of 55000055505 is 50555000055.

55000055505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55000055505 - 2⁷ = 55000055377 is a prime.

It is a super-2 number, since 2×55000055505² (a number of 22 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, 18150319 + ... + 18153348.

It is an arithmetic number, because the mean of its divisors is an integer number (5554461204).

Almost surely, 2^55000055505 is an apocalyptic number.

It is an amenable number.

55000055505 is a deficient number, since it is larger than the sum of its proper divisors (33871323759).

55000055505 is a wasteful number, since it uses less digits than its factorization.

55000055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36303776.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55000055505 in words is "fifty-five billion, fifty-five thousand, five hundred five".