555471399450 has 48 divisors (see below), whose sum is σ = 1502802626976. Its totient is φ = 134659732800.

The previous prime is 555471399421. The next prime is 555471399473. The reversal of 555471399450 is 54993174555.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168323017 + ... + 168326316.

It is an arithmetic number, because the mean of its divisors is an integer number (31308388062).

Almost surely, 2^555471399450 is an apocalyptic number.

555471399450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555471399450 is an abundant number, since it is smaller than the sum of its proper divisors (947331227526).

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

555471399450 is a wasteful number, since it uses less digits than its factorization.

555471399450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336649359 (or 336649354 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 57.

The spelling of 555471399450 in words is "five hundred fifty-five billion, four hundred seventy-one million, three hundred ninety-nine thousand, four hundred fifty".