555554551000 has 64 divisors (see below), whose sum is σ = 1331705007360. Its totient is φ = 216801760000.

The previous prime is 555554550977. The next prime is 555554551001. The reversal of 555554551000 is 155455555.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555554551001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6734056 + ... + 6816055.

It is an arithmetic number, because the mean of its divisors is an integer number (20807890740).

Almost surely, 2^555554551000 is an apocalyptic number.

555554551000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555554551000 is an abundant number, since it is smaller than the sum of its proper divisors (776150456360).

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

555554551000 is a wasteful number, since it uses less digits than its factorization.

555554551000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13550173 (or 13550159 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 555554551000 in words is "five hundred fifty-five billion, five hundred fifty-four million, five hundred fifty-one thousand".