55578016071 has 24 divisors (see below), whose sum is σ = 85037752800. Its totient is φ = 34857678336.

The previous prime is 55578016061. The next prime is 55578016097. The reversal of 55578016071 is 17061087555.

55578016071 is a `hidden beast` number, since 5 + 5 + 578 + 0 + 1 + 6 + 0 + 71 = 666.

It is not a de Polignac number, because 55578016071 - 2¹³ = 55578007879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55578016001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 290230 + ... + 442028.

It is an arithmetic number, because the mean of its divisors is an integer number (3543239700).

Almost surely, 2^55578016071 is an apocalyptic number.

55578016071 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55578016071 is a deficient number, since it is larger than the sum of its proper divisors (29459736729).

55578016071 is a wasteful number, since it uses less digits than its factorization.

55578016071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154215 (or 154212 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 45.

The spelling of 55578016071 in words is "fifty-five billion, five hundred seventy-eight million, sixteen thousand, seventy-one".