6533420455 has 8 divisors (see below), whose sum is σ = 7845302304. Its totient is φ = 5223271200.

The previous prime is 6533420449. The next prime is 6533420459. The reversal of 6533420455 is 5540243356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6533420455 - 2⁹ = 6533419943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6533420459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424836 + ... + 439945.

It is an arithmetic number, because the mean of its divisors is an integer number (980662788).

Almost surely, 2^6533420455 is an apocalyptic number.

6533420455 is a deficient number, since it is larger than the sum of its proper divisors (1311881849).

6533420455 is a wasteful number, since it uses less digits than its factorization.

6533420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866297.

The product of its (nonzero) digits is 216000, while the sum is 37.

The square root of 6533420455 is about 80829.5766102978. The cubic root of 6533420455 is about 1869.4486306616.

The spelling of 6533420455 in words is "six billion, five hundred thirty-three million, four hundred twenty thousand, four hundred fifty-five".