55808025582 has 16 divisors (see below), whose sum is σ = 111619291392. Its totient is φ = 18602135160.

The previous prime is 55808025571. The next prime is 55808025583. The reversal of 55808025582 is 28552080855.

It is a super-2 number, since 2×55808025582² (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 (55808025583) 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, 128443 + ... + 357929.

It is an arithmetic number, because the mean of its divisors is an integer number (6976205712).

Almost surely, 2^55808025582 is an apocalyptic number.

55808025582 is an abundant number, since it is smaller than the sum of its proper divisors (55811265810).

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

55808025582 is a wasteful number, since it uses less digits than its factorization.

55808025582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270023.

The product of its (nonzero) digits is 1280000, while the sum is 48.

The spelling of 55808025582 in words is "fifty-five billion, eight hundred eight million, twenty-five thousand, five hundred eighty-two".