55555005000580 has 12 divisors (see below), whose sum is σ = 116665510501260. Its totient is φ = 22222002000224.

The previous prime is 55555005000491. The next prime is 55555005000581. The reversal of 55555005000580 is 8500050055555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16011458050624 + 39543546949956 = 4001432^2 + 6288366^2 .

It is a super-2 number, since 2×55555005000580² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55555005000581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388875124995 + ... + 1388875125034.

It is an arithmetic number, because the mean of its divisors is an integer number (9722125875105).

Almost surely, 2^{55555005000580} is an apocalyptic number.

It is an amenable number.

55555005000580 is an abundant number, since it is smaller than the sum of its proper divisors (61110505500680).

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

55555005000580 is a wasteful number, since it uses less digits than its factorization.

55555005000580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777750250038 (or 2777750250036 counting only the distinct ones).

The product of its (nonzero) digits is 625000, while the sum is 43.

The spelling of 55555005000580 in words is "fifty-five trillion, five hundred fifty-five billion, five million, five hundred eighty", and thus it is an aban number.