5556953985 has 32 divisors (see below), whose sum is σ = 10121131008. Its totient is φ = 2577136320.

The previous prime is 5556953981. The next prime is 5556953993. The reversal of 5556953985 is 5893596555.

It is not a de Polignac number, because 5556953985 - 2² = 5556953981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5556953981) 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, 728347 + ... + 735936.

It is an arithmetic number, because the mean of its divisors is an integer number (316285344).

Almost surely, 2^5556953985 is an apocalyptic number.

5556953985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5556953985 is a deficient number, since it is larger than the sum of its proper divisors (4564177023).

5556953985 is a wasteful number, since it uses less digits than its factorization.

5556953985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464325.

The product of its digits is 36450000, while the sum is 60.

The square root of 5556953985 is about 74544.9796096290. The cubic root of 5556953985 is about 1771.2462081405.

The spelling of 5556953985 in words is "five billion, five hundred fifty-six million, nine hundred fifty-three thousand, nine hundred eighty-five".