63554523582 has 128 divisors (see below), whose sum is σ = 146644992000. Its totient is φ = 18183542400.

The previous prime is 63554523577. The next prime is 63554523583. The reversal of 63554523582 is 28532545536.

63554523582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63554523582² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63554523583) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37406169 + ... + 37407867.

It is an arithmetic number, because the mean of its divisors is an integer number (1145664000).

Almost surely, 2^63554523582 is an apocalyptic number.

63554523582 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 63554523582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73322496000).

63554523582 is an abundant number, since it is smaller than the sum of its proper divisors (83090468418).

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

63554523582 is a wasteful number, since it uses less digits than its factorization.

63554523582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182.

The product of its digits is 4320000, while the sum is 48.

The spelling of 63554523582 in words is "sixty-three billion, five hundred fifty-four million, five hundred twenty-three thousand, five hundred eighty-two".