55000050555 has 16 divisors (see below), whose sum is σ = 88015541760. Its totient is φ = 29328206688.

The previous prime is 55000050541. The next prime is 55000050577. The reversal of 55000050555 is 55505000055.

It is not a de Polignac number, because 55000050555 - 2⁸ = 55000050299 is a prime.

It is a super-2 number, since 2×55000050555² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233085 + ... + 405374.

It is an arithmetic number, because the mean of its divisors is an integer number (5500971360).

Almost surely, 2^55000050555 is an apocalyptic number.

55000050555 is a deficient number, since it is larger than the sum of its proper divisors (33015491205).

55000050555 is a wasteful number, since it uses less digits than its factorization.

55000050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644210.

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

The spelling of 55000050555 in words is "fifty-five billion, fifty thousand, five hundred fifty-five".