555027780500 has 24 divisors (see below), whose sum is σ = 1212180673704. Its totient is φ = 222011112000.

The previous prime is 555027780491. The next prime is 555027780547. The reversal of 555027780500 is 5087720555.

It can be written as a sum of positive squares in 4 ways, for example, as 5860821136 + 549166959364 = 76556^2 + 741058^2 .

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555027281 + ... + 555028280.

It is an arithmetic number, because the mean of its divisors is an integer number (50507528071).

Almost surely, 2^555027780500 is an apocalyptic number.

555027780500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555027780500 is an abundant number, since it is smaller than the sum of its proper divisors (657152893204).

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

555027780500 is a wasteful number, since it uses less digits than its factorization.

555027780500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110055580 (or 1110055568 counting only the distinct ones).

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

The spelling of 555027780500 in words is "five hundred fifty-five billion, twenty-seven million, seven hundred eighty thousand, five hundred".