555394900000 has 72 divisors (see below), whose sum is σ = 1366704908100. Its totient is φ = 222157920000.

The previous prime is 555394899959. The next prime is 555394900019. The reversal of 555394900000 is 9493555.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 143728941456 + 411665958544 = 379116^2 + 641612^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2676975 + ... + 2876974.

Almost surely, 2^555394900000 is an apocalyptic number.

555394900000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555394900000 is an abundant number, since it is smaller than the sum of its proper divisors (811310008100).

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

555394900000 is an frugal number, since it uses more digits than its factorization.

555394900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553984 (or 5553956 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The spelling of 555394900000 in words is "five hundred fifty-five billion, three hundred ninety-four million, nine hundred thousand".