5555027780 has 48 divisors (see below), whose sum is σ = 12362232960. Its totient is φ = 2089532928.

The previous prime is 5555027773. The next prime is 5555027789. The reversal of 5555027780 is 877205555.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5555027789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436751 + ... + 449289.

It is an arithmetic number, because the mean of its divisors is an integer number (257546520).

Almost surely, 2^5555027780 is an apocalyptic number.

It is an amenable number.

5555027780 is an abundant number, since it is smaller than the sum of its proper divisors (6807205180).

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

5555027780 is a wasteful number, since it uses less digits than its factorization.

5555027780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868 (or 13866 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 44.

The square root of 5555027780 is about 74532.0587398470. The cubic root of 5555027780 is about 1771.0415290066.

The spelling of 5555027780 in words is "five billion, five hundred fifty-five million, twenty-seven thousand, seven hundred eighty".