6455557572 has 24 divisors (see below), whose sum is σ = 15855756000. Its totient is φ = 2038597056.

The previous prime is 6455557571. The next prime is 6455557627. The reversal of 6455557572 is 2757555546.

It is not an unprimeable number, because it can be changed into a prime (6455557571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14156697 + ... + 14157152.

It is an arithmetic number, because the mean of its divisors is an integer number (660656500).

Almost surely, 2^6455557572 is an apocalyptic number.

It is an amenable number.

6455557572 is an abundant number, since it is smaller than the sum of its proper divisors (9400198428).

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

6455557572 is a wasteful number, since it uses less digits than its factorization.

6455557572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28313875 (or 28313873 counting only the distinct ones).

The product of its digits is 7350000, while the sum is 51.

The square root of 6455557572 is about 80346.4845030571. The cubic root of 6455557572 is about 1861.9924665587.

The spelling of 6455557572 in words is "six billion, four hundred fifty-five million, five hundred fifty-seven thousand, five hundred seventy-two".