55500004985 has 16 divisors (see below), whose sum is σ = 69540920064. Its totient is φ = 42441909312.

The previous prime is 55500004979. The next prime is 55500004991. The reversal of 55500004985 is 58940000555.

It is an interprime number because it is at equal distance from previous prime (55500004979) and next prime (55500004991).

It is a cyclic number.

It is not a de Polignac number, because 55500004985 - 2⁴ = 55500004969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21059 + ... + 333831.

It is an arithmetic number, because the mean of its divisors is an integer number (4346307504).

Almost surely, 2^55500004985 is an apocalyptic number.

It is an amenable number.

55500004985 is a deficient number, since it is larger than the sum of its proper divisors (14040915079).

55500004985 is a wasteful number, since it uses less digits than its factorization.

55500004985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314344.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 55500004985 in words is "fifty-five billion, five hundred million, four thousand, nine hundred eighty-five".