55078268355 has 32 divisors (see below), whose sum is σ = 106818462720. Its totient is φ = 26704614240.

The previous prime is 55078268353. The next prime is 55078268393. The reversal of 55078268355 is 55386287055.

It is a happy number.

55078268355 is a `hidden beast` number, since 5 + 507 + 8 + 2 + 6 + 83 + 55 = 666.

It is not a de Polignac number, because 55078268355 - 2¹ = 55078268353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55078268353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18543387 + ... + 18546356.

It is an arithmetic number, because the mean of its divisors is an integer number (3338076960).

Almost surely, 2^55078268355 is an apocalyptic number.

55078268355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55078268355 is a deficient number, since it is larger than the sum of its proper divisors (51740194365).

55078268355 is a wasteful number, since it uses less digits than its factorization.

55078268355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37089768 (or 37089762 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 54.

It can be divided in two parts, 5507826 and 8355, that added together give a triangular number (5516181 = T₃₃₂₁).

The spelling of 55078268355 in words is "fifty-five billion, seventy-eight million, two hundred sixty-eight thousand, three hundred fifty-five".