556377881300 has 18 divisors (see below), whose sum is σ = 1207340002638. Its totient is φ = 222551152480.

The previous prime is 556377881287. The next prime is 556377881327. The reversal of 556377881300 is 3188773655.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 154051540036 + 402326341264 = 392494^2 + 634292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2781889307 + ... + 2781889506.

It is an arithmetic number, because the mean of its divisors is an integer number (67074444591).

Almost surely, 2^556377881300 is an apocalyptic number.

556377881300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556377881300 is an abundant number, since it is smaller than the sum of its proper divisors (650962121338).

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

556377881300 is a wasteful number, since it uses less digits than its factorization.

556377881300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563778827 (or 5563778820 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 556377881300 in words is "five hundred fifty-six billion, three hundred seventy-seven million, eight hundred eighty-one thousand, three hundred".