6555928401 has 32 divisors (see below), whose sum is σ = 10625126400. Its totient is φ = 3962157840.

The previous prime is 6555928369. The next prime is 6555928403. The reversal of 6555928401 is 1048295556.

6555928401 is a `hidden beast` number, since 6 + 55 + 592 + 8 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 6555928401 - 2⁵ = 6555928369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6555928403) 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, 75880 + ... + 137366.

It is an arithmetic number, because the mean of its divisors is an integer number (332035200).

Almost surely, 2^6555928401 is an apocalyptic number.

It is an amenable number.

6555928401 is a deficient number, since it is larger than the sum of its proper divisors (4069197999).

6555928401 is a wasteful number, since it uses less digits than its factorization.

6555928401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61866 (or 61860 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 6555928401 is about 80968.6877811417. The cubic root of 6555928401 is about 1871.5929501024.

The spelling of 6555928401 in words is "six billion, five hundred fifty-five million, nine hundred twenty-eight thousand, four hundred one".