6556893800 has 48 divisors (see below), whose sum is σ = 15259112640. Its totient is φ = 2620291520.

The previous prime is 6556893757. The next prime is 6556893803. The reversal of 6556893800 is 83986556.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (6556893803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205739 + ... + 235461.

It is an arithmetic number, because the mean of its divisors is an integer number (317898180).

Almost surely, 2^6556893800 is an apocalyptic number.

It is an amenable number.

6556893800 is an abundant number, since it is smaller than the sum of its proper divisors (8702218840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6556893800 is a wasteful number, since it uses less digits than its factorization.

6556893800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30842 (or 30833 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 6556893800 is about 80974.6491193386. The cubic root of 6556893800 is about 1871.6848132818.

The spelling of 6556893800 in words is "six billion, five hundred fifty-six million, eight hundred ninety-three thousand, eight hundred".