55302777805 has 16 divisors (see below), whose sum is σ = 72524994624. Its totient is φ = 40148740480.

The previous prime is 55302777797. The next prime is 55302777811. The reversal of 55302777805 is 50877720355.

It is not a de Polignac number, because 55302777805 - 2³ = 55302777797 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 862024 + ... + 923953.

It is an arithmetic number, because the mean of its divisors is an integer number (4532812164).

Almost surely, 2^55302777805 is an apocalyptic number.

55302777805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55302777805 is a deficient number, since it is larger than the sum of its proper divisors (17222216819).

55302777805 is a wasteful number, since it uses less digits than its factorization.

55302777805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786556.

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 55302777805 in words is "fifty-five billion, three hundred two million, seven hundred seventy-seven thousand, eight hundred five".