55800355586 has 8 divisors (see below), whose sum is σ = 88624094220. Its totient is φ = 26258990848.

The previous prime is 55800355553. The next prime is 55800355613. The reversal of 55800355586 is 68555300855.

It can be written as a sum of positive squares in 2 ways, for example, as 49713391225 + 6086964361 = 222965^2 + 78019^2 .

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

It is a super-3 number, since 3×55800355586³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820593431 + ... + 820593498.

Almost surely, 2^55800355586 is an apocalyptic number.

55800355586 is a deficient number, since it is larger than the sum of its proper divisors (32823738634).

55800355586 is a wasteful number, since it uses less digits than its factorization.

55800355586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641186948.

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 55800355586 in words is "fifty-five billion, eight hundred million, three hundred fifty-five thousand, five hundred eighty-six".