6455558555532 has 120 divisors (see below), whose sum is σ = 17421922129920. Its totient is φ = 2082267738720.

The previous prime is 6455558555531. The next prime is 6455558555549. The reversal of 6455558555532 is 2355558555546.

It is a happy number.

6455558555532 is a `hidden beast` number, since 6 + 45 + 5 + 5 + 5 + 8 + 5 + 55 + 532 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6455558555532.

It is not an unprimeable number, because it can be changed into a prime (6455558555531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 193501069 + ... + 193534427.

It is an arithmetic number, because the mean of its divisors is an integer number (145182684416).

Almost surely, 2^{6455558555532} is an apocalyptic number.

6455558555532 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6455558555532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8710961064960).

6455558555532 is an abundant number, since it is smaller than the sum of its proper divisors (10966363574388).

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

6455558555532 is a wasteful number, since it uses less digits than its factorization.

6455558555532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52673 (or 52662 counting only the distinct ones).

The product of its digits is 450000000, while the sum is 63.

The spelling of 6455558555532 in words is "six trillion, four hundred fifty-five billion, five hundred fifty-eight million, five hundred fifty-five thousand, five hundred thirty-two".