55000000605 has 32 divisors (see below), whose sum is σ = 99310354560. Its totient is φ = 25747124480.

The previous prime is 55000000571. The next prime is 55000000609. The reversal of 55000000605 is 50600000055.

It is not a de Polignac number, because 55000000605 - 2²⁸ = 54731565149 is a prime.

55000000605 is a modest number, since divided by 605 gives 550 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000000609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5742342 + ... + 5751911.

It is an arithmetic number, because the mean of its divisors is an integer number (3103448580).

Almost surely, 2^55000000605 is an apocalyptic number.

55000000605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55000000605 is a deficient number, since it is larger than the sum of its proper divisors (44310353955).

55000000605 is a wasteful number, since it uses less digits than its factorization.

55000000605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494301.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 55000000605 in words is "fifty-five billion, six hundred five", and thus it is an aban number.